Große Aa

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

This article is about the Lower Saxon Große Aa. For other rivers of the same name, see Große Aa (disambiguation).
Große Aa
The confluence of the Große Aa with the Ems
Location
CountryGermany
StateLower Saxony
Reference no.DE: 34
Physical characteristics
Source 
 • locationBeginning: confluence of the Deeper Aa and Ahe east of Freren
 • coordinates52°28′45″N 7°34′00″E
 • elevation33 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)
Length35.0 km (21.7 mi) [1]
Basin size922 km2 (356 sq mi) [1]
Basin features
ProgressionEms→ North Sea
LandmarksVillages: Beesten, Lünne
Tributaries 
 • leftSchaler Aa, Bardelgraben, Moosbeeke, Giegel Aa, Linner Graben, Speller Aa
 • rightReitbach, 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

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)


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