| Ohm | |
| Source1 Location: | Near the town Ulrichstein in the High Vogelsberg region. |
| Mouth Coordinates: | 50.8542°N 8.7947°W |
| Subdivision Type1: | Country |
| Length: | 60.7km (37.7miles) |
| Source1 Elevation: | 577m (1,893feet) |
| Mouth Elevation: | 188m (617feet) |
| Discharge1 Avg: | 62.6m3/s |
| Basin Size: | 983.2km2 |
The Ohm (older Amana[1]) is a river in Hesse, Germany.
It is a right tributary of the Lahn. Its total length is 61km (38miles). 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.