Roofensee (Lake Roofen) is located in the county of Oberhavel in the north of Brandenburg, about 6 km from the border of Mecklenburg-Vorpommern.

It has an elongated shape, in a northwest-southeast direction, covering of an area of 0.56 square kilometers and is up to 19 meters deep.

Roofensee is part of the Stechlin-Ruppiner Land Nature Park.

It is situated in the district of Stechlin and at its southeastern end is the village of Menz.

Over a part of this path there is also a 12 km marsh trail that leads beyond the lake into the surrounding forest area.