U.S. insular area river lists

• Guam
• Puerto Rico
• U.S. Virgin Islands

State river lists

A

• Agaga River
  Agaga River
  -References:*...
  
   - Guam
• Agfayan River
  Agfayan River
  -References:*...
  
   - Guam
• Aguada River
  Aguada River
  -References:*...
  
   - Guam
• Aibonito River
  Río de Aibonito
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Ajayan River
  Ajayan River
  -References:*...
  
   - Guam
• Alatgue River
  Alatgue River
  -References:*...
  
   - Guam
• Almagosa River
  Almagosa River
  -References:*...
  
   - Guam
• Añasco Big River
  Rio Grande de Añasco
  The Rio Grande de Añasco is a river in western Puerto Rico. Its source is in the Cordillera Central mountain range west of Adjuntas, and it flows about 40 miles westwards to its mouth on the Mona Passage north of Mayagüez.-References:*Añasco River. The Columbia Gazetteer of North America...
  
   - Puerto Rico
• Angeles River
  Río Ángeles
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Anasco Big River
  Rio Grande de Añasco
  The Rio Grande de Añasco is a river in western Puerto Rico. Its source is in the Cordillera Central mountain range west of Adjuntas, and it flows about 40 miles westwards to its mouth on the Mona Passage north of Mayagüez.-References:*Añasco River. The Columbia Gazetteer of North America...
  
   - Puerto Rico
• Anon River
  Río Anon
  Río Anón is a river in the municipality of Ponce, Puerto Rico. Río Anón is one of 13 rivers in the municipality of Ponce and, at , it is also the third with the highest river mouth location, after Río Prieto and Río Blanco, both of which have their mouths at . Río Anón is a tributary of Río Inabón....
  
   - Puerto Rico
• Anton Ruiz River
  Río Anton Ruiz
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Apeadero River
  Río de Apeadero
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Aplacho River
  Aplacho River
  -References:*...
  
   - Guam
• Arecibo Big River
  Río Grande de Arecibo
  The Río Grande de Arecibo is a river of Puerto Rico. The headwaters lie in the mountains to the south of Adjuntas. From there it flows north until it reaches the Atlantic Ocean near Arecibo. The tributaries lie along the side of the Cerro de Punta and the Utuado pluton...
  
   - Puerto Rico
• Arenas River
  Río Arenas (Las Marias, Puerto Rico)
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Las Marias, Puerto Rico
• Arenas River
  Río Arenas (Yabucoa, Puerto Rico)
  The Río Arenas is a river of Puerto Rico.-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Yabucoa, Puerto Rico
• Arroyata River
  Río Arroyata
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Asalonso River
  Asalonso River
  -References:*...
  
   - Guam
• Asan River
  Asan River
  -References:*...
  
   - Guam
• Aslinget River
  Aslinget River
  -References:*...
  
   - Guam
• Asmafines River
  Asmafines River
  -References:*...
  
   - Guam
• Astaban River
  Astaban River
  -References:*...
  
   - Guam
• Atantano River
  Atantano River
  -References:*...
  
   - Guam
• Atate River
  Atate River
  -References:*...
  
   - Guam

B

• Bairoa River
  Río Bairoa
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Barbas River
  Río Barbas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Barranquitas River - Puerto Rico
• Bauta River
  Rio Bauta
  The Río Bauta is a river in the U.S. commonwealth of Puerto Rico. It flows through Morovis municipality and like the Sana Muerto River is a tributary of the Río Grande de Manatí....
  
   - Puerto Rico
• Bayagan River
  Río Bayagán
  Río Bayagán is a river in the municipality of Ponce, Puerto Rico. Río Bayagán is a tributary of Río Cerrillos. It has a length of approximately 6 kilometers and generally runs south. It originates in barrio Montes Llanos and runs south through barrio Machuelo Arriba for about 9 kilometers until it...
  
   - Puerto Rico
• Big Guatali River
  Big Guatali River
  -References:*...
  
   - Guam
• Bile River
  Bile River
  -References:*...
  
   - Guam
• Blanco River
  Río Blanco (Puerto Rico)
  Río Blanco is a river in the municipality of Ponce, Puerto Rico. It empties into Rio Prieto. Together with Rio Prieto, Río Blanco is one of the two rivers in Ponce with their mouth at the highest elevation...
  
   - Puerto Rico
• Bocas River
  Río Dos Bocas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Bolanos River
  Bolanos River
  -References:*...
  
   - Guam
• Bonelli River
  Río Bonelli
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Bonya River
  Bonya River
  -References:*...
  
   - Guam
• Botijas River
  Río Botijas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Bubulao River
  Bubulao River
  -References:*...
  
   - Guam
• Bucana River
  Río Bucaná
  Río Bucaná, is a river in the municipality of Ponce, Puerto Rico. Rio Bucana has its origin in barrio Machuelo Arriba where it forms at an altitude of . It forms from the confluence of Rio Cerrillos and Rio Bayagan. It is also fed by Rio Portugues during its southernly run. Rio Bucana used to run...
  
   - Puerto Rico
• Bucarabones River
  Río Bucarabones
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

C

• Caguana River
  Río de Caguana
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Caguanita River
  Río de Caguanita
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Caguitas River
  Río Caguitas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cain River
  Rio Cain
  The Río Caín is a river in the U.S. commonwealth of Puerto Rico....
  
   - Puerto Rico
• Caliente River - Puerto Rico
• Camandulas River
  Río Camándulas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Camuy River
  Rio Camuy
  The Río Camuy is a river in the U.S. commonwealth of Puerto Rico. It is the third largest underground river in the world and has one of the largest cave systems in the western hemisphere, known as the Rio Camuy Caves....
  
   - Puerto Rico
• Canabon River
  Río Cañabón
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Canaboncito River
  Río Cañaboncito
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Canas River - Puerto Rico
• Candelero River
  Río Candelero
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Canovanas River
  Río Canóvanas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Canovanillas River
  Río Canovanillas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Caonillas River
  Río Caonillas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Caricaboa River
  Río Caricaboa
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cayaguás River
  Río Cayaguas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cayures River
  Río Cayures
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cerrillos River
  Rio Cerrillos
  Río Cerrillos is a river in the municipality of Ponce, Puerto Rico. Rio Cerrillos has its origin in barrio Anón and runs south until it feeds into Rio Bucana. Rio Cerrillos is commonly known by the locals as Rio Maragüez, because most of its course runs through Barrio Maragüez. This river is one...
  
   - Puerto Rico
• Cetti River
  Cetti River
  -References:*...
  
   - Guam
• Chagame River
  Chagame River
  -References:*...
  
   - Guam
• Chaot River
  Chaot River
  -References:*...
  
   - Guam
• Chico River
  Río Chico
  Río Chico is a city in the state of Miranda, Venezuela. It is the capital of Páez Municipality....
  
   - Puerto Rico
• Chiquito River
  Río Chiquito
  The Río Chiquito is a river in the municipality of Ponce, Puerto Rico. This river feeds into the Rio Portugues in the sector called Parras. It has its origin in the mountains west of Montes Llanos. Rio Chiquito is fed by Quebrada del Pastillo...
  
   - Puerto Rico
• Chiquito de Cibao
  Río Chiquito de Cibao
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cialitos River
  Río Cialitos
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cibuco River
  Río Cibuco
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cidra River
  Río Cidra
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cienaga River
  Río de la Ciénaga
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Clavijo River
  Río Clavijo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Coabey River
  Río Coabey
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Coamo River
  Río Coamo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cocal River
  Río Cocal
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Coco River - Puerto Rico
• Corcho River
  Río Corcho
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Corozal River
  Río Corozal
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Criminales River
  Río Criminales
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cristal River
  Río del Cristal
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cruces River - Puerto Rico
• Cubuy River
  Río Cubuy (Loiza, Puerto Rico)
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Loiza, Puerto Rico
• Cubuy River
  Río Cubuy (Naguabo, Puerto Rico)
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Naguabo, Puerto Rico
• Cuesta Arriba River
  Río Cuesta Arriba
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Culebra River
  Río Culebra (Aguada, Puerto Rico)
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Aguada, Puerto Rico
• Culebra River
  Río Culebra (Orocovis, Puerto Rico)
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Orocovis, Puerto Rico
• Culebrinas River - Puerto Rico
• Cupeyes River
  Río Cupeyes
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Cuyon River
  Rio Cuyon
  The Río Cuyón is a river in the U.S. commonwealth of Puerto Rico....
  
   - Puerto Rico

D

• Daguao River
  Río Daguao
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *-See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *-See also:*List of rivers of Puerto Rico...
  
   - Puerto Rico
• Daguey River
  Río Dagüey
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Dante River
  Dante River
  -References:*...
  
   - Guam
• Demajagua River
  Río Demajagua
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Descalabrado River
  Río Descalabrado
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Duey River
  Río Duey
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

E

• El Yunque River
  Rio El Yunque
  The Río Grande is a river in the U.S. commonwealth of Puerto Rico that flows through the El Yunque National Forest and the town of Río Grande.-References:...
  
   - Puerto Rico
• Emajagua River
  Río Emajagua
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Espíritu Santo River
  Río Espíritu Santo
  The Río Espíritu Santo is a river of Puerto Rico.-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

F

• Fajardo River
  Río Fajardo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Fensol River
  Fensol River
  -References:*...
  
   - Guam
• Fintasa River
  Fintasa River
  -References:*...
  
   - Guam
• Flores River
  Río Flores
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Fonte River
  Fonte River
  -References:*...
  
   - Guam
• Frio River
  Río Frío (Puerto Rico)
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

G

• Gaan River
  Gaan River
  -References:*...
  
   - Guam
• Garzas River
  Río Garzas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Gautali River
  Gautali River
  -References:*...
  
   - Guam
• Geus River
  Geus River
  -References:*...
  
   - Guam
• Grande River - Puerto Rico
• Guaba River
  Río Guaba
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guadiana River - Puerto Rico
• Guajataca River - Puerto Rico
• Guamani River
  Río Guamaní
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guanajibo River
  Río Guanajibo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guaonica River
  Río Guaonica
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guatali River
  Guatali River
  -References:*...
  
   - Guam
• Guatemala River
  Río Guatemala
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guayabo River
  Río Guayabo
  -See also:* List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guayanes River
  Río Guayanes
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guayanilla River
  Río Guayanilla
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guaynabo River
  Río Guaynabo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guayo River
  Río Guayo
  The Río Guayo is a river in the municipality of Juana Diaz, Puerto Rico.-See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Guilarte River
  Río Guilarte
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Gurabo River
  Río Gurabo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

H

• Hagåtña River
  Hagåtña River
  -References:*...
  
   - Guam
• Herrera River
  Río Herrera
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Hoconuco River
  Río Hoconuco
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Hondo River
  Río Hondo (Puerto Rico)
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Humacao River
  Río Humacao
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Humata River
  Río Humata
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

I

• Icacos River
  Río Icacos
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Ieygo River
  Ieygo River
  -References:*...
  
   - Guam
• Imong River
  Imong River
  -References:*...
  
   - Guam
• Inabon River
  Río Inabón
  Río Inabón is a river in the municipality of Ponce, Puerto Rico. With a length of some , it is Ponce's second longest river after Rio Jacaguas. It is fed by the Río Anón, Río Guayo and the Emajagua Brook. It it also fed by Rio Bacas and Rio de las Raices. This river is one of the 14 rivers in the...
  
   - Puerto Rico
• Inarajan River
  Inarajan River
  -References:*...
  
   - Guam
• Indio River
  Rio Indio
  The Rio Indio is a river in the U.S. commonwealth of Puerto Rico....
  
   - Puerto Rico
• Ingenio River
  Río del Ingenio
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

J

• Jacaboa River
  Río Jacaboa
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Jacaguas River - Puerto Rico
• Jajome River
  Río Jájome
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Jauca River
  Río Jauca
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Jayuya Big River
  Río Grande de Jayuya
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Juan Martin River
  Río Juan Martín
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Jueyes River
  Río Jueyes
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Juncal River
  Río Juncal
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

L

• La Plata River - Puerto Rico
• La Sa Fua River
  La Sa Fua River
  -References:*...
  
   - Guam
• La Venta River
  Río La Venta
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Lachi River
  Río Lachi
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Laelae River
  Laelae River
  -References:*...
  
   - Guam
• Laguan River
  Laguan River
  -References:*...
  
   - Guam
• Laguas River
  Laguas River
  -References:*...
  
   - Guam
• Lajas River
  Rio Lajas
  Rio Lajas is one of the 8 subdivisions of Dorado, Puerto Rico....
  
   - Puerto Rico
• Laolao River
  Laolao River
  -References:*...
  
   - Guam
• Lapa River
  Río Lapa
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Limani River
  Río Limaní
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Limon River
  Río Limón
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Limones River
  Río Limones
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Liyog River
  Liyog River
  -References:*...
  
   - Guam
• Loco River
  Río Loco
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Loíza Big River - Puerto Rico
• Lonfit River
  Lonfit River
  -References:*...
  
   - Guam

M

• Maagas River
  Maagas River
  -References:*...
  
   - Guam
• Macana River
  Río Macaná
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Madofan River
  Madofan River
  -References:*...
  
   - Guam
• Madog River
  Madog River
  -References:*...
  
   - Guam
• Maemong River
  Maemong River
  -References:*...
  
   - Guam
• Mahlac River
  Mahlac River
  -References:*...
  
   - Guam
• Majada River
  Río Majada
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Malaja River
  Malaja River
  -References:*...
  
   - Guam
• Mameyes River
  Río Mameyes
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Manati Big River
  Río Grande de Manatí
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Manell River
  Manell River
  -References:*...
  
   - Guam
• Manengon River
  Manengon River
  -References:*...
  
   - Guam
• Maricao River
  Río Maricao
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Marin River
  Río Marín
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Masso River
  Masso River
  -References:*...
  
   - Guam
• Matgue River
  Matgue River
  -References:*...
  
   - Guam
• Matilde River
  Río Matilde
  The Río Matilde is a short river in the municipality of Ponce, Puerto Rico. It forms from the confluence of Rio Pastillo and Rio Canas This river is one of the 14 rivers in the municipality and, forming at an altitude of just , it is the river forming at the lowest altitute in Ponce.-Origin:At ...
  
   - Puerto Rico
• Maton River
  Río Maton
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Matrullas River
  Río Matrullas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Maulap River
  Maulap River
  The Maulap River is a river in Guam. The closest airport located is the Guam International Airport . The closest town is Santa Rita .-References:**...
  
   - Guam
• Maunabo River
  Río Maunabo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Mavilla River
  Río Mavilla
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Mina River
  Río de la Mina
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Minillas River
  Río Minillas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Morovis River
  Río Morovis
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

N

• Namo River
  Namo River
  -References:*...
  
   - Guam
• Naranjito River
  Río Naranjito
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Naranjo River
  Río Naranjo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Nelansa River
  Nelansa River
  -References:*...
  
   - Guam
• Nigua River
  Río Nigua (Arroyo, Puerto Rico)
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
  - Arroyo, Puerto Rico
• Nigua River
  Río Nigua (Salinas, Puerto Rico)
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Salinas, Puerto Rico
• Nueve Pasos
  Río Nueve Pasos
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Nuevo River - Puerto Rico

P

• Pago River
  Pago River
  The Pago River is one of the longest rivers on the Pacific Ocean island of Guam. Rising close to the west coast, it traverses the island, flowing into the sea at Pago Bay in the central east coast. The town of Yona lies just to the south of the river's mouth....
  
   - Guam
• Pajon River
  Pajon River
  -References:*...
  
   - Guam
• Palmarejo River
  Río Palmarejo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Pasamano River
  Pasamano River
  -References:*...
  
   - Guam
• Pasto River
  Río del Pasto
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Pastillo River - Puerto Rico
• Patillas Big River
  Río Grande de Patillas
  -See also:*List of rivers of Puerto RicoThe coolest river in the world.-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Paulana River
  Paulana River
  -References:*...
  
   - Guam
• Pauliluc River
  Pauliluc River
  -References:*...
  
   - Guam
• Pellejas River
  Río Pellejas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Piedras River - Puerto Rico
• Pigua River
  Pigua River
  -References:*...
  
   - Guam
• Pitahaya River
  Río Pitahaya
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Plata River
  Rio de la Plata (Puerto Rico)
  The Rio de la Plata is the longest river in the island of Puerto Rico. It is located in the north coast of the island. It flows from south to north, and drains into the Atlantic Ocean about 11 miles west of San Juan...
  
   - Puerto Rico
• Portugues River - Puerto Rico
• Postrero River
  Río Postrero
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Prieto River
  Río Prieto
  Río Prieto is the name of several rivers in Puerto Rico:* Río Prieto * Río Prieto * Río Prieto * Río Prieto * Río Prieto...
  
   - Puerto Rico
• Puerto Nuevo River
  Río Puerto Nuevo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

R

• Roncador River
  Río Roncador
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Rosario River
  Río Rosario
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

S

• Sabana River
  Río Sabana
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Sadog Gago River
  Sadog Gago River
  -References:*...
  
   - Guam
• Sagge River
  Sagge River
  -References:*...
  
   - Guam
• Sagua River
  Sagua River
  -References:*...
  
   - Guam
• Salinas River
  Salinas River (Guam)
  -References:*...
  
   - Guam
• Saliente River
  Río Saliente
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Salientito River
  Río Salientito
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Salt River
  Salt River (United States Virgin Islands)
  The Salt River is a river in the United States Virgin Islands....
  
   - U.S. Virgin Islands
• Saltillo River
  Río Saltillo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• San Nicolas River
  San Nicolas River
  -References:*...
  
   - Guam
• San Patricio River
  Río San Patricio
  The Río San Patricio is a river in the municipality of Ponce, Puerto Rico. It is part of the Rio Bucana river system via Rio Cerrillos. RIo San Patricio is one of the 14 rivers in the municipality.-Origin:...
  
   - Puerto Rico
• Sana Muerto
  Río Sana Muerto
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Santiago River - Puerto Rico
• Sapo River
  Rio Sapo
  The Rio Sapo is a river in the U.S. commonwealth of Puerto Rico....
  
   - Puerto Rico
• Sarasa River
  Sarasa River
  -References:*...
  
   - Guam
• Sasa River
  Sasa River
  -References:*...
  
   - Guam
• Seco River
  Rio Seco
  The Río Seco is a river located on the southern coastal valley region of Puerto Rico. It originates atthe Barrio Pozo Hondo of the municipality of Guayama at an elevation of 984 feet above sea level. The river has a length of approximately 8 miles emptying into the Bay of Jobos.-References:*...
  
   - Puerto Rico
• Sella River
  Sella River (Guam)
  -References:*...
  
   - Guam
• Sigua River
  Sigua River
  -References:*...
  
   - Guam
• Sonador River
  Río Sonador
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Sumay River
  Sumay River
  -References:*...
  
   - Guam
• Suyafe River
  Suyafe River
  -References:*...
  
   - Guam

T

• Taguag River
  Taguag River
  -References:*...
  
   - Guam
• Tailafak River
  Tailafak River
  -References:*...
  
   - Guam
• Taleyfac River
  Taleyfac River
  -References:*...
  
   - Guam
• Talisay River
  Talisay River
  -References:*...
  
   - Guam
• Tallaboa River
  Río Tallaboa
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Talofofo River
  Talofofo River
  The Talofofo River is one of the longest rivers on the Pacific Ocean island of Guam. Rising on the eastern slopes of Mount Lamlam in the island's southwest, it traverses the island in a northeastward direction, flowing into the sea at Talofofo Bay....
  
   - Guam
• Tanama River
  Río Tanamá
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Tarzan River
  Tarzan River
  -References:*...
  
   - Guam
• Tenjo River
  Tenjo River
  -References:*...
  
   - Guam
• Tinago River
  Tinago River
  -References:*...
  
   - Guam
• Tinechong River
  Tinechong River
  -References:*...
  
   - Guam
• Toa Vaca River
  Río Toa Vaca
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Togcha River
  Togcha River
  -References:*...
  
   - Guam
• Toguan River
  Toguan River
  -References:*...
  
   - Guam
• Tolaeyuus River
  Tolaeyuus River
  -References:*...
  
   - Guam
• Topony River
  Topony River
  -References:*...
  
   - Guam
• Toro River
  Río Toro
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Toro Negro River
  Río Toro Negro
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Turabo River
  Río Turabo
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

U

• Ugum River
  Ugum River
  -References:*...
  
   - Guam
• Umatac River
  Umatac River
  -References:*...
  
   - Guam
• Unibon River
  Río Unibón
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Usabon River
  Río Usabón
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

V

• Vacas River
  Río de las Vacas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Valenciano River
  Río Valenciano
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Vegas River
  Río de las Vegas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *-See also:*List of rivers of Puerto Rico-References:...
  
   - Puerto Rico
• Veguitas River
  Río Veguitas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Viejo River
  Rio Viejo
  Rio Viejo is a town and municipality located in the Bolívar Department, northern Colombia....
  
   - Puerto Rico
• Vivi River
  Rio Vivi
  The Río Viví is a river in the U.S. commonwealth of Puerto Rico....
  
   - Puerto Rico

Y

• Yaguez River - Puerto Rico
• Yahuecas River
  Río Yahuecas
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Yauco River
  Río Yauco
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico
• Yledigao River
  Yledigao River
  -References:*...
  
   - Guam
• Ylig River
  Ylig River
  The Ylig River is one of the longest rivers on the Pacific Ocean island of Guam. Rising close to the west coast some three kilometres north of Apra Heights, it traverses the island, flowing into the sea in the central east coast, south of the town of Yona. The course of this river roughly parallels...
  
   - Guam
• Yunes River
  Río Yunes
  -See also:*List of rivers of Puerto Rico-References:*USGS Hydrologic Unit Map – Caribbean Region *...
  
   - Puerto Rico

See also

• List of rivers of the Americas
• List of rivers in Canada
• List of National Wild and Scenic Rivers
• River borders of U.S. states
  River borders of U.S. states
  Because of its unique history, many of the boundaries of political divisions of the United States were artificially constructed . Therefore, many U.S. states have straight lines as boundaries, especially in the West...
  
  

External links

• American Rivers, a nonprofit conservation organization
• U.S. Geological Survey name database