Schaler Aa

Schaler Aa is a river of Lower Saxony and North Rhine-Westphalia, Germany. It flows into the Große Aa south of Freren.

CountryGermany

States

• Lower Saxony
• North Rhine-Westphalia

coordinates52.4803°N 7.8487°E / 52.4803; 7.8487

location

Große Aa

Quick facts Schaler Aa, Location ...

Schaler Aa Halverder-Schaler Aa Halverder Aa Weeser Aa
Location
Country	Germany
States	Lower Saxony North Rhine-Westphalia
Physical characteristics
Source
• coordinates	52.4803°N 7.8487°E / 52.4803; 7.8487
Mouth
• location	Große Aa
• coordinates	52.4726°N 7.5593°E / 52.4726; 7.5593
Length	31.0 km (19.3 mi)[1]
Basin size	137 km2 (53 sq mi)[1]
Basin features
Progression	Große Aa→ Ems→ North Sea

Close

The river springs as Weeser Aa southeast of the Ankum Heights and east of Merzen in Lower Saxony.^[2] After crossing the boundary between Lower Saxony and North Rhine-Westphalia, it changes it name into Halverder Aa^[3] and near Halverde [ar; de] (a district of Hopsten) into Halverder-Schaler Aa.^[4] Near Schale [ar; de] (a district of Hopsten), it changes its name again into Schaler Aa.^[5] Finally, it discharges into the Große Aa south of Freren.^[6]