| Box Canyon Dam | |
| Dam Crosses: | Pend Oreille River |
| Res Name: | Box Canyon Reservoir |
| Location: | Pend Oreille County, Washington |
| Operator: | Pend Oreille PUD |
| Dam Length: | 160 ft (49 m)[1] |
| Dam Height: | 62 ft (19 m) |
| Plant Capacity: | 90 MW |
| Construction Began: | 1952 |
| Opening: | 1956 |
| Res Capacity Total: | 60000acre.ft[2] |
| Res Catchment: | 24,900 sq mi (64,490 km2) |
| Res Surface: | 5 acres (20,000 m2) |
| Coordinates: | 48.7803°N -117.4125°W |
Box Canyon Dam is a gravity-type hydroelectric dam on the Pend Oreille River, in northeastern Washington state in the United States.
It has a capacity of 90 MW and an average expected production of 60 MW. The reservoir extends 55miles. The dam is 160feet wide and 62.4feet high at the top of the gates. The maximum head of water is 46feet. It produces power using four Kaplan turbines. An upgrade completed in 2015 brought the dam's rated capacity up to 90 MW from the original 69 MW.[1]