| Punta Negra Dam | |
| Location Map: | Argentina |
| Coordinates: | -31.5192°N -68.8178°W |
| Country: | Argentina |
| Location: | San Juan, San Juan Province |
| Purpose: | Irrigation, power |
| Status: | O |
| Construction Began: | 2009 |
| Opening: | August 29, 2015 |
| Owner: | Energia Provincial Sociedad del Estado SA |
| Dam Type: | Embankment, concrete-face rock-fill |
| Dam Crosses: | San Juan River |
| Dam Length: | 700m (2,300feet) |
| Dam Height: | 101m (331feet) |
| Res Capacity Total: | 500000000m2 |
| Res Surface: | 12.5km2 |
| Res Max Length: | 13km (08miles) |
| Plant Commission: | 2016 (est.) |
| Plant Turbines: | 2 x 31MW Francis-type |
| Plant Hydraulic Head: | 86m (282feet) |
| Plant Capacity: | 62MW |
The Punta Negra Dam is a concrete-face rock-fill dam on the San Juan River about west of San Juan in San Juan Province, Argentina. The purpose of the dam is to provide water for irrigation and the generation of hydroelectric power. The tall dam supports a 62MW power station and together with the Los Caracoles Dam upstream, it will provide for the irrigation of . Construction began in 2009 and the dam and was finished on August 29, 2015.[1] It is being constructed immediately upstream of a diversion barrage.[2] [3] [4]