| Tong Tso | |
| Pushpin Map: | China Tibet Ngari |
| Type: | Salt lake |
| Basin Countries: | China |
| Length: | 13.80NaN0 |
| Width: | 8.60NaN0 |
| Area: | 87.7-2NaN-2 |
| Elevation: | 43960NaN0 |
| Cities: | Dongco |
Tong Tso or Dong Co is a plateau lake in Gêrzê County, Tibet Autonomous Region. The name of lake means "Desolate Lake" in Standard Tibetan. The lake has a total area of about 87.7 square kilometers. Lying at an elevation of 4,396 metres, it is dotted with two islands.[1]