The Little Blackwater River is a tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the Blackwater River

Blackwater River (Maryland)

The Blackwater River is a saltwater river in Dorchester County, Maryland. It has many twists and bends and flows through Blackwater National Wildlife Refuge...

 located in Dorchester County, Maryland

Dorchester County, Maryland

Dorchester County is a county located in the U.S. state of Maryland on its Eastern Shore. It is bordered by the Choptank River to the north, Talbot County to the northwest, Caroline County to the northeast, Wicomico County to the southeast, Sussex County, Delaware, to the east, and the Chesapeake...

.

The relatively shallow river is about 15 miles (24.1 km) long and is surrounded by farms. It is located between Maple Dam Road to the east and Egypt Road to the west. The river begins behind Cambridge-South Dorchester High School

Cambridge-South Dorchester High School

Cambridge-South Dorchester High School is located in Cambridge, Maryland and is part of the Dorchester County Public Schools system, and serves students in grades 9 to 12. The School opened in 1976 and cost $9 Million Dollars to build and equip. The school's most prominent feature is that it was...

 in Cambridge

Cambridge, Maryland

Cambridge is a city in Dorchester County, Maryland, United States. The population was 12,326 at the 2010 census. It is the county seat of Dorchester County and the county's largest municipality...

, where its water level is nearly 20 feet (6.1 m) above sea level, and it ends below Bucktown.