Zemu Chu, a river in
Sikkim, is a major tributary of
Teesta River. The river rises from the Zemu Glacier and snakes through Zemu Valley and
Khangchendzonga National Park.
Thangu Chu merges with Zema Chu at Sema (Zema). Lhonak Chu meets Zemu Chu at Tallem (Talem).
