Federsee is a lake located just north of Bad Buchau in the region of Upper Swabia in Southern Germany. It is surrounded by moorland, partially overgrown with reeds. With a size of 33 km² (8,155 acres), the area is one of the largest, groundwater fed, connected moorlands in Southern Germany. At its deepest point, Lake Federsee has a depth of 2 metres (6.5 feet). Federsee translates to 'feather lake' and its shape resembles that of a feather.