Grwyne Fawr Reservoir
| Grwyne Fawr Reservoir | |
|---|---|
| Location | Brecon Beacons, Wales |
| Coordinates | 51°58′12″N 3°7′14″W / 51.97000°N 3.12056°W |
| Type | Reservoir |
| Primary outflows | Grwyne Fawr |
| Basin countries | United Kingdom |
| Water volume | 400,000,000 imperial gallons (1,800 megalitres) |
| Surface elevation | 1,725 feet (526 m) |
The Grwyne Fawr Reservoir is located in the valley of the river Grwyne Fawr in the Brecon Beacons National Park, Wales. Completed in 1928, it has the capacity to hold 400,000,000 imperial gallons (1,800 megalitres).