The Reuberg lies in the western part of the Leine Uplands, a northern section of the Lower Saxon Hills.
It also lies between Brunkensen to the north, Warzen to the east, Gerzen to the southeast, Grünenplan some distance away to the east-southeast, Hohenbüchen to the west and some way from Coppengrave to the northwest.
On the eponymous main summit of the Reuberg (328.2 m above NN), stands a transmission mast belonging to Deutsche Telekom.
Several forest tracks and footpaths pass over the Reuberg, including one that runs over the crest from the valley of the Glene to Warzen.
The E11 European long distance path runs past the hill between Grünenplan and Gerzen where the Reuberg transitions to the Steinberg.