Böön Tsagaan Lake

Lake Boon Tsagaan
Бөөн Цагаан нуур (Mongolian)
Aerial photo of Lake Boon Tsagaan
LocationGovi (Gobi) region, southern Mongolia
TypeEndorheic lake
Primary inflowsBaidrag River
Primary outflowsNone
Basin countriesMongolia
Max. length23.5–24 km (14.6–14.9 mi)
Max. width19 km (12 mi)
Surface area~240–252 km2 (93–97 sq mi)
Average depth9.9 m (32 ft) (average)
Max. depth~16 m (52 ft)
Water volume~0.64 km3 (0.15 cu mi)
Surface elevation1,312–1,336 m (4,304–4,383 ft)
Interactive map of Lake Boon Tsagaan

Lake Boon Tsagaan (also spelled Lake Buun Tsagaan; Mongolian: Бөөн Цагаан нуур) is a large endorheic lake located in southern Mongolia. It is the largest lake in the Govi (Gobi) region and one of the principal surface water bodies in the Valley of Lakes. The lake plays an important role in the hydrological system of the Central Asian internal drainage basin through its connection with the Baidrag River.