The Wiedau is a left-hand tributary of the Wümme in the north German state of Lower Saxony

Lower Saxony

Lower Saxony is a German state situated in north-western Germany and is second in area and fourth in population among the sixteen states of Germany...

. The river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 begins near Bellen in the vicinity of Hemslingen

Hemslingen

Hemslingen is a municipality in the district of Rotenburg, in Lower Saxony, Germany.Hemslingen belonged to the Prince-Bishopric of Verden, established in 1180...

 in the district of Rotenburg (Wümme) at the confluence of the Hahnenbach

Hahnenbach (Wiedau)

Hahnenbach is a river of Lower Saxony, Germany....

 and the Mehlandsbach, flows through the collective municipality of Bothel, a densely wooded and near natural depression, and discharges into the Wümme in Rotenburg shortly after being joined by the only slightly smaller Rodau

Rodau (Wümme)

The Rodau is a left-hand tributary of the River Wiedau in the north German state of Lower Saxony, that enters the Wiedau shortly before its confluence with the Wümme...

.

Water sport

The Wiedau is popular with angler

Angler

Angler may refer to:* A fisherman who uses the fishing technique of angling*Angler * The angler, Lophius piscatorius, a monkfish* More generally, any anglerfish in the order Lophiiformes* Angler , a Marvel Comics supervillain...

s and canoe

Canoe

A canoe or Canadian canoe is a small narrow boat, typically human-powered, though it may also be powered by sails or small electric or gas motors. Canoes are usually pointed at both bow and stern and are normally open on top, but can be decked over A canoe (North American English) or Canadian...

ists. At high water, the Wiedau can be navigated from the road bridge in Bellen near Hemslingen

Hemslingen

Hemslingen is a municipality in the district of Rotenburg, in Lower Saxony, Germany.Hemslingen belonged to the Prince-Bishopric of Verden, established in 1180...

 to its mouth on the Wümme by small kayak

Kayak

A kayak is a small, relatively narrow, human-powered boat primarily designed to be manually propelled by means of a double blade paddle.The traditional kayak has a covered deck and one or more cockpits, each seating one paddler...

s, a distance of 23 km.