The Rivers and lakes in Armenia are mainly powered by fresh water. Throughout history Armenia

Armenia

Armenia , officially the Republic of Armenia , is a landlocked mountainous country in the Caucasus region of Eurasia...

 has been called Nairi

Nairi

Nairi is an Armenian given name, it may also refer to:*Nairi, Armenian tribe.*Nairi , an informal synonym for Armenia, which in turn gave rise to a number of modern usages:*The town of Hatsik, Armavir was called Nairi from 1963 till 1991...

 by the Assyrians meaning the "Land of the lakes and rivers". The Armenia

Armenia

Armenia , officially the Republic of Armenia , is a landlocked mountainous country in the Caucasus region of Eurasia...

 is home to many rivers and lakes.

The largest river of the Republic of Armenia is the Araks, which lies on the countries border with Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

 and a large part of the border with Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

. Its major tributaries are the Akhurian

Akhurian River

The Akhurian, Akhuriyan, Akhuryan or Akhouryan is a river in the South Caucasus. It originates in Armenia and flows from Lake Tseli south, along the border with Turkey, forming part of the geographic border between the two states, until it flows into the Aras River as a left tributary near Bagaran...

, Kasagh, Hrazdan

Hrazdan River

The Hrazdan is a major river of Armenia. It starts at the northwest extremity of Lake Sevan and flows south through the Kotayk marz and Armenia's capital, Yerevan. It then joins the Aras River along the border with Turkey. A Hydro-electric plant is located on the Hrazdan river...

, Azat

Azat River

The Azat is a river in the Kotayk Province of Armenia. Its source is on the western slope of the Geghama mountains. It flows through Garni, Lanjazat and Arevshat. It flows into the Aras near Artashat.-See also:*Rivers and lakes in Armenia...

, Arpa

Arpa River

The Arpa is a river that flows through Armenia and Azerbaijan's Nakhichevan exclave. It originates in the Vayots Dzor province of Armenia and serves as a left tributary of the Aras River...

, Vorotan and Voghdji

Voghdji River

Voghdji is a river on the south slopes of the Lesser Caucasus range, and is a left tributary of Araks River. It flows over the territory of Armenia and Azerbaijan....

 rivers. The largest rivers in north west part of the country are the Debed

Debed

The Debed or Debeda is a river in Armenia and Georgia. It also serves as a natural boundary between Armenia and Georgia at the village Sadakhlo, Georgia....

 and Aghstev, while smaller ones include the Dzoraget and the Pambak.

There are not very many lakes in Armenia: there is one very large lake called Lake Sevan

Lake Sevan

Lake Sevan is the largest lake in Armenia and the Caucasus region. It is one of the largest high-altitude lakes in the world.Lake Sevan is situated in the central part of the Republic of Armenia, inside the Gegharkunik Province, at the altitude of 1,900m above sea level...

 and there are more than 100 small mountain lakes. None of them, except Sevan and Lake Arpi

Lake Arpi

Lake Arpi located at an altitude of 2,023 m and is located in the Shirak Province of Armenia, evolved in the 1950s from the small Lake Arpi. Fed by thaws and four streams, it is the source of the Akhurian River. More than 100 species of birds have been observed around Lake Arpi....

, have yet been extensively studied. The water resources of the lakes amount to about 39,300 million cu m, Sevan holding most of this, nearly 39,000 million cu m (before the drainage it had almost 58,000 million cu m).

The following table is the list of the biggest rivers in Armenia:

River	Length (km)
Akhurian River Akhurian River The Akhurian, Akhuriyan, Akhuryan or Akhouryan is a river in the South Caucasus. It originates in Armenia and flows from Lake Tseli south, along the border with Turkey, forming part of the geographic border between the two states, until it flows into the Aras River as a left tributary near Bagaran...	205
Vorotan River	179
Araks River Araks River The Aras , is a river located in and along the countries of Turkey, Armenia, Azerbaijan, and Iran. Its total length is...	158
Hrazdan River Hrazdan River The Hrazdan is a major river of Armenia. It starts at the northwest extremity of Lake Sevan and flows south through the Kotayk marz and Armenia's capital, Yerevan. It then joins the Aras River along the border with Turkey. A Hydro-electric plant is located on the Hrazdan river...	146
Arpa River Arpa River The Arpa is a river that flows through Armenia and Azerbaijan's Nakhichevan exclave. It originates in the Vayots Dzor province of Armenia and serves as a left tributary of the Aras River...	126
Aghstev River Aghstafa River Aghstafa is a river in Armenia and Azerbaijan, and is a right tributary of the Kura River.Aghstafa has a length of 133 km, and a basin area of 2589 km². Along the river lie the cities of Dilijan, Ijevan, Gazakh and Aghstafa.-See also:...	99
Debed River Debed The Debed or Debeda is a river in Armenia and Georgia. It also serves as a natural boundary between Armenia and Georgia at the village Sadakhlo, Georgia....	92
Kasagh River	89
Voghdji River Voghdji River Voghdji is a river on the south slopes of the Lesser Caucasus range, and is a left tributary of Araks River. It flows over the territory of Armenia and Azerbaijan....	88
Pambak River	86
Dzoraget River	71
Getik River Getik River Getik is a river in Armenia, the right tributary of the Aghstev River. It begins on the eastern slope of the Sevan ridge near the apex Kashatakh. Average incline of approximately 31,9 m/km...	58
Vedi River	58
Azat River Azat River The Azat is a river in the Kotayk Province of Armenia. Its source is on the western slope of the Geghama mountains. It flows through Garni, Lanjazat and Arevshat. It flows into the Aras near Artashat.-See also:*Rivers and lakes in Armenia...	56
Argitchi River	51