Aa (Möhne)

For other rivers with the same name, see Aa (river).

Aa is a river of North Rhine-Westphalia, Germany. It is 7.4 kilometres (4.6 mi) long and is a left tributary of the Möhne^[1] in Brilon. The river has a watershed of 23.071 square kilometres (8.908 sq mi).

Aa
North Rhine-Westphalia
Location
Country	Germany
State	North Rhine-Westphalia
Physical characteristics
Source
• elevation	459 m (1,506 ft)
Mouth
• location	Möhne
• coordinates	51.4186°N 8.5831°E / 51.4186; 8.5831
• elevation	387 m (1,270 ft)
Basin features
Progression	Möhne→ Ruhr→ Rhine→ North Sea

The source of Aa is in the village of Altenbüren. From here it flows in an easterly direction. At 473 metres (1,552 ft) above sea level its course meanders to the north. Nearby the Hillbringse flows in from the south. Half a kilometer farther are five former mills in Aatal, called Aamühlen. The Fülsenbecke flows in near here from the north. The Aa overcomes an elevation difference of 72 metres (236 ft), which corresponds to an average bed slope of 9.7 percent.

See also

• List of rivers of North Rhine-Westphalia