Ohm (river)

Ohm
A watermill on the Ohm
Origin	Vogelsberg Mountains
Mouth	Lahn 50°51′15″N 8°47′41″E / 50.85417°N 8.79472°E / 50.85417; 8.79472Coordinates: 50°51′15″N 8°47′41″E / 50.85417°N 8.79472°E / 50.85417; 8.79472
Basin countries	Germany
Length	59 km

The Ohm, the right tributary of the Lahn, is a river in Hesse, Germany, Its total length is 59 km. The Ohm originates in the Vogelsberg Mountains, east of the town Ulrichstein. It flows generally northwest through Ulrichstein, Mücke, Homberg (Ohm), Amöneburg, and Kirchhain. The Ohm joins the Lahn in Cölbe, near Marburg.