| Oker Dam | |
|---|---|
 | |
  Location of Oker Dam in Germany | |
| Country | Germany |
| Coordinates | 51°50′29″N 10°27′10″E / 51.84139°N 10.45278°E |
| Construction began | 1938 |
| Opening date | 1956 |
| Dam and spillways | |
| Height | 75 m |
| Length | 260 m |
| Width (crest) | 8 m |
| Width (base) | 19 m |
| Dam volume | 140,000 m³ |
| Reservoir | |
| Creates | Oker Reservoir |
| Total capacity | 47,400,000 m³ |
| Catchment area | 85 km² |
| Surface area | 225 ha |
| Power Station | |
| Installed capacity | 4.14 MW |
The Oker Dam (German: Okertalsperre) is a dam in the Harz mountains in Lower Saxony, Germany. It is fed by the River Oker.