Aar (Lahn)

Aar
Waterfall in Adolfseck
Location
CountryGermany
Physical characteristics
Source 
 • locationTaunus
Mouth 
 • location
Lahn
 • coordinates
50°22′7″N 8°0′20″E / 50.36861°N 8.00556°E / 50.36861; 8.00556
Length49.7 km (30.9 mi) [1]
Basin size313 km2 (121 sq mi) [2]
Basin features
ProgressionLahnRhineNorth Sea

The Aar is a 50-kilometre-long (31 mi) river in western Germany, left tributary of the Lahn.[1] It rises in the Taunus mountains, near Taunusstein. It flows generally north through the towns Taunusstein, Bad Schwalbach, Aarbergen and Hahnstätten. It flows into the Lahn in Diez.