| Dagangshan Dam | |
| Location Map: | China#China Sichuan |
| Coordinates: | 29.4486°N 102.2186°W |
| Country: | China |
| Location: | Sichuan Province |
| Status: | O |
| Construction Began: | 2008 |
| Opening: | 2015 |
| Owner: | Dadu Hydropower Development Co., Ltd |
| Dam Type: | Arch |
| Dam Length: | 610m (2,000feet) |
| Dam Height: | 210m (690feet) |
| Dam Width Crest: | 10m (30feet) |
| Dam Width Base: | 52m (171feet) |
| Dam Crosses: | Dadu River |
| Res Name: | Dagangshan Reservoir |
| Res Capacity Total: | 724000000m2 |
| Res Max Depth: | 205m (673feet) (avg.) |
| Plant Commission: | 2015-2016 |
| Plant Turbines: | 4 x 650 MW |
| Plant Capacity: | 2,600 MW |
| Plant Annual Gen: | 11.43 billion kWh |
The Dagangshan Dam (Chinese: 大岗山水电站) is an arch dam on the Dadu River in Shimian County, Ya'an, Sichuan Province, China. The dam houses a hydroelectric power station with 4 x 650 MW generators for a total installed capacity of 2,600 MW. Construction on the dam began in 2008 and the power plant in 2010. The first two generators were commissioned on 2 September 2015, and the entire project was completed in 2016.[1] [2] [3] [4]