The Alpe is a river of
Lower Saxony
Lower Saxony is a States of Germany, German state (') in Northern Germany, northwestern Germany. It is the second-largest state by land area, with , and fourth-largest in population (8 million in 2021) among the 16 ' of the Germany, Federal Re ...
,
Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
.
The Alpe is a left
tributary
A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...
of the
Aller. Its source lies between the villages of
Dudensen and , both within the town of
Neustadt am Rübenberge
Neustadt am Rübenberge (; ) is a town in the Hanover (district), district of Hannover, in Lower Saxony, Germany. At , it is the 9th largest settlement in Germany by area (following Berlin, Hamburg and Cologne), though only about 45,000 inhabita ...
. It initially crosses the Dudensen Bog and flows along the edge of the Bog and past
Rethem
Rethem () is a town in the Heidekreis in Lower Saxony, Germany. It is situated on the river Aller, approx. 25 km southwest of Bad Fallingbostel, and 18 km southeast of Verden. The town was the scene of heavy fighting over the period ...
Bog. In the 1970s it lost its natural character, it was straightened and, in places, canalised. The Steimbker Dorfgraben, a drainage ditch joining it from the left, is very heavily polluted (water quality class III–IV). The Alpe itself has a good overall water quality (class II = moderately polluted).
NLWKN water quality of the Alpe
/ref>
Before the town of Rethem the ''Weiße Graben'' ("White Ditch") joins the Alpe along with the Wölpe
Wölpe is a river of Lower Saxony, Germany. It is about long and a left tributary of the Alpe.
The Wölpe has its source in a depression southeast of , a village in the borough of Nienburg and flows towards the northeast. In front of Rethem th ...
. In Rethem the Alpe then discharges into the Aller.
See also
*List of rivers of Lower Saxony
All rivers in the German state of Lower Saxony flow directly or indirectly into the North Sea.
A–Z
A
B
D
E
F
G
H
I
J
K
L
M
N
O
P
*Purrmühlenbach
R
S
T
*Tiefenbeek
*Trillkebach
*Trutenbeek
*Twiste (Oste), Twiste
U
*Uffe ...
References
Rivers of Lower Saxony
Rivers of Germany
{{LowerSaxony-river-stub