The Longkaikou Dam is a gravity dam on the Jinsha River in Dali Bai Autonomous Prefecture, Yunnan province, China.

The dam has a height of 119 m (390 ft) and was constructed with roller-compacted concrete.

[1] On 25 November 2012 the reservoir was impounded and the first of five 360 MW Francis turbine-generators was commissioned on 21 May 2013.

[2] The dam was expected to displace 2,000 people.

[3] The dam also supports a fish proliferation system.