Lake in the Tibet Autonomous Region, China
Rakwa Tso (Tibetan: རག་ཝྭ་མཚོ, Wylie: "rag wwa mtsho"; ), also known as Rawu Tso or Ranwu Lake, is a lake in Baxoi County, Chamdo Prefecture, Tibet Autonomous Region, China, to the north of Arza Gongla Glacier, and to the south of Ngagung Tso. The lake covers an area of , and has an elevation of . The lake was created by a landslide dam. Parlung River flows out of the lake.
The lake is within the historical region of Kham. The average temperature is , and the rainfall . It has been a famous tourist destination.