Allner See

Allner See is an artificial lake near Hennef in Rhein-Sieg-Kreis, North Rhine-Westphalia, Germany. At an elevation of 63,5 m, its surface area is 0.10 km². Directly to the north is the 15th century castle Schloss Allner.[1]

Allner See
LocationRhein-Sieg-Kreis, North Rhine-Westphalia
Coordinates50°46′45″N 7°17′30″E
Typeartificial lake
Primary inflowsnone
Primary outflowsnone
Basin countriesGermany
Surface area0.10 km2 (0.039 sq mi)
Max. depth7 m (23 ft)
Surface elevation63.5 m (208 ft)

Starting in 1979 excavations to obtain sand and gravel for the construction of Highway 560 created a pit some six meters below the water table. In 1986 it was decided by the Hennef town administration to create a lake, and embankments and protection strips were built. In 1990 trees were planted and landscaping was finished just as the highway was completed, producing the lake in its current form. The lake has been stocked with fish for anglers, but swimming and water sports are prohibited.[2]

References

  1. Hansmann & Knopp, Schlösser und Burgen (1981), p. 8f.
  2. Ein See entsteht: Allner See


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