Ohm (river)

Ohm
Ohm source east of Ulrichstein
Location
CountryGermany
StateHesse
Physical characteristics
Source 
  locationNear the town Ulrichstein in the High Vogelsberg region.
  elevation577 m (1,893 ft)
Mouth 
  location
Lahn, short before the town Cölbe
  coordinates
50°51′15″N 8°47′41″E / 50.85417°N 8.79472°E / 50.85417; 8.79472
  elevation
188 m (617 ft)
Length60.7 km (37.7 mi)
Basin size983.2 km2 (379.6 sq mi)
Discharge 
  average62.6 m3/s (2,210 cu ft/s)
Basin features
ProgressionLahnRhineNorth Sea

The Ohm (German pronunciation: [oːm] ; older Amana) is a river in Hesse, Germany.

It is a right tributary of the Lahn. Its total length is 61 km (38 mi). The Ohm originates in the Vogelsberg Mountains, east of the town Ulrichstein. It flows generally northwest through Ulrichstein, Mücke, Homberg, Amöneburg, Kirchhain, and joins the Lahn in Cölbe, near Marburg. Its largest tributaries are the Seenbach, Felda, Klein, Wohra and Rotes Wasser.