| Rur Dam | |
|---|---|
 Aerial shot of the Rur Dam, Schwammenauel and Roer Reservoir with the Tonsberg peninsula (left centre), island of Eichert (centre) and peninsula of Eschauel (rear right) | |
| Location | Städteregion Aachen, Kreis Düren |
| Coordinates | 50°37′57″N 6°23′55″E / 50.63250°N 6.39861°E |
| Construction began | 1934–1938, 1955–1959 and 1961 |
| Dam and spillways | |
| Impounds | Rur; others see below |
| Height (foundation) | 77.2 m (253 ft) |
| Height (thalweg) | 69.5 m (228 ft) |
| Length | 480 m (1,570 ft) |
| Elevation at crest | 284.43 m (933.2 ft) |
| Width (crest) | 15 m (49 ft) |
| Dam volume | 2.6×106 m3 (92×106 cu ft) |
| Reservoir | |
| Total capacity | 203.2×106 m3 (7.18×109 cu ft) |
| Active capacity | incl. Obersee 202.6×106 m3 (7.15×109 cu ft) |
| Catchment area | 288.1 km3 (69.1 cu mi) |
| Surface area | 7.83 km2 (3.02 sq mi) |
| Maximum length | 10.6 km (6.6 mi) |
| Normal elevation | 281.5 m (924 ft) |
The Rur Dam (German: Rurtalsperre Schwammenauel) is a 77.2 metre high dam located in the southwestern part of the state of North Rhine-Westphalia in Germany. It was built in 1939 and impounds the Roer to form the Roer Reservoir (Rurstausee or Rursee) which is 7.83 km2 in area. It lies within the districts of Aachen and Düren.