The Longkaikou Dam is an under construction gravity dam on the Jinsha River

Jinsha River

Jinsha River is the westernmost of the major headwater streams of the Yangtze River, southwestern China.Its headwaters rise in the Wulan and Kekexili ranges in western Qinghai province, to the south of the Kunlun Mountains, and on the northern slope of the Tanggula Mountains on the border of the...

 near Lijiang

Lijiang

Lijiang may refer to:*Lijiang, Yunnan , prefecture-level city in Yunnan Province, China*Old Town of Lijiang, World Heritage Site, in Lijiang City*Lijiang Naxi Autonomous County, formerly a county in Lijiang, Yunnan, China before 2002...

 in Yunnan province, China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

. The dam will have a height of 119 m (390 ft) and be constructed of roller-compacted concrete

Roller-compacted concrete

Roller-compacted concrete or rolled concrete is a special blend of concrete that has essentially the same ingredients as conventional concrete but in different ratios, and increasingly with partial substitution of fly ash for Portland cement. RCC is a mix of cement/fly ash, water, sand, aggregate...

. Construction on the dam began in 2007 and was halted in June 2009 by the Ministry of Environmental Protection after it was being constructed without approval. The dam is expected to displace 2,000 people. The dam will also support a fish proliferation system.