Große Aa

This article is about the Lower Saxon Große Aa. For other rivers of the same name, see Große Aa (disambiguation).

The Große Aa is a 35-kilometre-long (22 mi), right, eastern tributary of the River Ems in western Lower Saxony (Germany).

Große Aa
The confluence of the Große Aa with the Ems
Location
Country	Germany
State	Lower Saxony
Reference no.	DE: 34
Physical characteristics
Source
• location	Beginning: confluence of the Deeper Aa and Ahe east of Freren
• coordinates	52°28′45″N 7°34′00″E
• elevation	33 m above sea level (NN)  (Deeper Aa 53 m above NN, Ahe 82 m above NN)
Mouth
• location	south of Lingen
• coordinates	52°27′37″N 7°19′29″E
• elevation	22 m above sea level (NN)
Length	35.0 km (21.7 mi) [1]
Basin size	922 km2 (356 sq mi) [1]
Basin features
Progression	Ems→ North Sea
Landmarks	Villages: Beesten, Lünne
Tributaries
• left	Schaler Aa, Bardelgraben, Moosbeeke, Giegel Aa, Linner Graben, Speller Aa
• right	Reitbach, Schinken Canal, Südbach

It begins in the Samtgemeinde Freren, near the quarter of Overwater, at the confluence of the Deeper Aa and Ahe rivers. From there is flows through Lünne westwards to Hesselte, where it is joined by the Speller Aa. From there on it runs parallel to the Dortmund–Ems Canal and discharges into the Ems 6 km (3.7 mi) south of Lingen, a few metres north of the mouth of the canal after the Gleesen locks.

See also

• List of rivers of Lower Saxony

References

1. Hydrographic Directory of the NRW State Office for Nature, the Environment and Consumer Protection (Gewässerverzeichnis des Landesamtes für Natur, Umwelt und Verbraucherschutz NRW 2010) (xls; 4.67 MB)