The Ohm (older Amana[2]) is a river in Hesse, Germany.

[1] 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.

This article related to a river in Hesse is a stub.