Dragsum Tsho
Dragsum Tsho (tib.: brag gsum mtsho, Tibetan:བྲག་གསུམ་མཚོ་, Pagsum Co ( 八松错), literally meaning “three rocks” in Tibetan, is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 covering 28 square kilometres in Gongbo'gyamda County

Gongbo'gyamda County

Gongbo'gyamda County, is a county of the Nyingtri Prefecture in the Tibet Autonomous Region, lying approximately 275 km east of Lhasa at its central point...

, Nyingchi Prefecture

Nyingchi Prefecture

Nyingchi Prefecture is a prefecture in southwestern Tibet Autonomous Region in western China. The Chinese government claims South Tibet, which is currently governed by India, as part of the prefecture....

 of the Tibet Autonomous Region

Tibet Autonomous Region

The Tibet Autonomous Region , Tibet or Xizang for short, also called the Xizang Autonomous Region is a province-level autonomous region of the People's Republic of China , created in 1965....

 in China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

, approximately 300 km east of Lhasa

Lhasa

Lhasa is the administrative capital of the Tibet Autonomous Region in the People's Republic of China and the second most populous city on the Tibetan Plateau, after Xining. At an altitude of , Lhasa is one of the highest cities in the world...

 in Tibet

Tibet

Tibet is a plateau region in Asia, north-east of the Himalayas. It is the traditional homeland of the Tibetan people as well as some other ethnic groups such as Monpas, Qiang, and Lhobas, and is now also inhabited by considerable numbers of Han and Hui people...

. At 3,700 metres over sea level it is about 18 km long and has an average width of approximately 1.5 kilometres. The deepest point of the green lake measures 120 metres. The lake is also known as Gongga Lake.