The Dahme Flood Relief Canal, or Dahme-Umflutkanal in

German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

, is a

canal Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flo ...

in the

state of

Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 sq ...

. Its principal purpose is to divert water from the upper reaches of the

River Spree Spree may refer to: Geography * Spree (river), river in Germany Film and television * ''The Spree'', a 1998 American television film directed by Tommy Lee Wallace * ''Spree'' (film), a 2020 American film starring Joe Keery * "Spree" (''Numbers' ...

just below Leibsch, to run into the River Dahme at

Märkisch Buchholz Märkisch Buchholz is a small town in the Dahme-Spreewald district, in Brandenburg, Germany. It is situated on the river Dahme, 20 km northwest of Lübben (Spreewald) and resp. 50 km southeast of Berlin. Overview The town is the smalles ...

. The canal is entered from the River Spree by a

lock Lock(s) may refer to: Common meanings *Lock and key, a mechanical device used to secure items of importance *Lock (water navigation), a device for boats to transit between different levels of water, as in a canal Arts and entertainment * ''Lock ...

and is navigable downstream to Märkisch Buchholz. A

weir A weir or low head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the river level. Weirs are also used to control the flow of water for outlets of l ...

here prevents direct access to the River Dahme, but a small

inclined plane An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle from the vertical direction, with one end higher than the other, used as an aid for raising or lowering a load. The inclined plane is one of the six clas ...

allows

canoe A canoe is a lightweight narrow water vessel, typically pointed at both ends and open on top, propelled by one or more seated or kneeling paddlers facing the direction of travel and using a single-bladed paddle. In British English, the ter ...

s and small craft to by-pass the

near Märkisch Buchholz. The canal is in length, and at about its midpoint crosses the Köthener See.

References

Canals in Brandenburg Canals opened in 1911 1911 establishments in Germany {{water-transport-stub