The Westerwald is a low mountain range on the right bank of the river Rhine in the German federal states of Rhineland-Palatinate, Hesse and North Rhine-Westphalia. It is a part of the Rhenish Massif. Its highest elevation, at 657 m above sea level, is the Fuchskaute in the High Westerwald.
Elevation: 657.3 m above NN
Peak: Fuchskaute
Length: 60 km (37 mi)
Area: 3,000 km² (1,200 sq mi)
State: Hesse, North Rhine-Westphalia, Rhineland-Palatinate, Germany
Parent range: Rhenish Massif
Orogeny: formed as part of the German Central Uplands