Alpe (Aller)

The Alpe is a left tributary of the Aller. Its source lies between the villages of Dudensen and Nöpke, both within the town of Neustadt am Rübenberge. It initially crosses the Dudensen Bog and flows along the edge of the Bog Lichtenmoor and past Rethem Bog. In the 1970s it lost its natural character, it was straightened and, in places, canalised. The Steimbker Dorfgraben, a drainage ditch joining it form the left is very heavily polluted (water quality class III–IV). The Alpe itself has a good overall water quality (class II = moderately polluted).[2] Before the town of Rethem the Weiße Graben ("White Ditch") joins the Alpe along with the Wölpe. In Rethem the Alpe then discharges into the Aller.

Alpe
Location
CountryGermany
StateLower Saxony
Physical characteristics
Source 
 • locationsouthwest of Dudensen
 • coordinates52°35′34″N 9°25′12″E
 • elevation46 m above sea level (NN)
Mouth 
 • location
in Rethem into the Aller
 • coordinates
52°47′40″N 9°21′47″E
 • elevation
18 m above sea level (NN)
Length30.5 km (19.0 mi) [1]
Basin size252 km2 (97 sq mi) [1]
Basin features
ProgressionAller→ Weser→ North Sea
Landmarks
Tributaries 
 • leftLaderholzer Moorgraben, Steimbker Dorfgraben, Moorbeeke, Alpengraben, Wölpe
 • rightLutterer Bach, Neuer Eilter Graben, Schotengraben

The Alpe is a river of Lower Saxony, Germany.

See also

References
  1. Environmental map service of Lower Saxony (Umweltkartendienst des Niedersächsischen Ministeriums für Umwelt, Energie und Klimaschutz)
  2. NLWKN water quality of the Alpe


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