The Dahme Flood Relief Canal, or Dahme-Umflutkanal in

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also 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 ...

in the

state of

Brandenburg Brandenburg, officially the State of Brandenburg, is a States of Germany, state in northeastern Germany. Brandenburg borders Poland and the states of Berlin, Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony. It is the List of Ger ...

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

River Spree Spree may refer to: 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''), an episode of the television show ''Numbe ...

just below

Leibsch Leibsch is a locality (''ortsteil'') in the municipality (''gemeinde'') of Unterspreewald in the German state (''land'') of Brandenburg Brandenburg, officially the State of Brandenburg, is a States of Germany, state in northeastern Germa ...

, 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 (river), Dahme, 20 km northwest of Lübben (Spreewald) and resp. 50 km southeast of Berlin. Overview The to ...

. The canal is entered from the River Spree by a

lock Lock(s) or Locked 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 entertainme ...

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 water 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 watercraft, 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 paddles. In British English, the term ' ...

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. The Umflut Canal opens up the nearly 200 km long Märkische Runde with the two aforementioned boat slips, clockwise via Dahme, Oder-Spree Canal, Neuendorf (and other) waters, as well as 12 locks.

References

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