The Bauerngraben, also called the Hungersee, is a lake in Germany between Breitungen, Agnesdorf [de] and Roßla in the South Harz.

A feature of this lake is its sudden disappearance from time to time, when the outlet opens due to the removal of material.

The Bauerngraben ist part of the Gipskarstlandschaft Questenberg nature reserve.

The Bauerngraben is a popular destination for day trippers and is easy to reach due to the nearby car park and easy footpaths.

213) in the Harzer Wandernadel hiking system by the lake.