Böön Tsagaan Lake
| Boontsagaan Lake | |
|---|---|
Böön Tsagaan Lake taken from a commercial airliner (2006-01-30) | |
| Location | Bayakhongor |
| Coordinates | 45°33′N 99°04′E / 45.550°N 99.067°E |
| Basin countries | Mongolia |
| Max. length | 24 km (15 mi) |
| Max. width | 11 km (6.8 mi) |
| Surface area | 252 km2 (97 sq mi) |
| Average depth | 9.3 m (31 ft) |
| Max. depth | 16 m (52 ft) |
| Surface elevation | 1,312 m (4,304 ft) |
| Official name | Boon Tsagaan Nuur |
| Designated | 6 July 1998 |
| Part of | Valley of the Lakes |
Böön Tsagaan Lake (Mongolian: Бөөн Цагаан нуур) is a large saline lake in Baatsagaan, Bayankhongor Province, Mongolia.
Böön Tsagaan Lake and the nearby Taatsiin Tsagaan Lake, Adgiin Tsagaan Lake, and Orog Lake, are collectively designated a Ramsar wetland of international importance under the name "Valley of the Lakes".