| Biggesee Dam | |
|---|---|
 | |
| Country | Germany |
| Location | Sauerland, Olpe |
| Coordinates | 51°06′37″N 07°53′45″E / 51.11028°N 7.89583°E |
| Construction began | 1956 |
| Opening date | 1965 |
| Dam and spillways | |
| Height | 52 m |
| Length | 640 m |
| Width (crest) | 10 m |
| Width (base) | 220 m |
| Dam volume | 1,900,000 m3 |
| Spillway capacity | 347 m³/s |
| Reservoir | |
| Total capacity | 171.7 hm³ |
| Catchment area | 287 km2 |
| Surface area | 876 ha |
| Power Station | |
| Installed capacity | 17.6 MW |
The Biggesee or Bigge Reservoir (German: Biggetalsperre) is a reservoir in Germany. It lies in the southern part of the Sauerland between Olpe and Attendorn.