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)
Basin size313 km2 (121 sq mi)
Basin features
ProgressionLahnRhineNorth Sea

The Aar (German pronunciation: [aːɐ] ) is a 50-kilometre-long (31 mi) river of Hesse and Rhineland-Palatinate, in western Germany, left tributary of the Lahn. 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.