The Bodanrück is the peninsula that divides Lake Constance into Überlinger See and Gnadensee, which is part of Untersee.
The cities of Konstanz, Radolfzell and Allensbach are located there.
Coordinates: 47°45′N 9°04′E / 47.750°N 9.067°E / 47.750; 9.067