Mettnau
Mettnau is a peninsula, located east of the town of Radolfzell in the western part of Lake Constance. It lies between the Markelfingen corner[broken anchor] in the north and the Zeller See[broken anchor] in the south and has a length of 3.5 kilometers and a width of up to 800 meters, a size of 140 hectares.[1]
A large part of the peninsula is a nature reserve. The Nature Reserve Mettnau includes a small island name Love Island. It is managed by Naturschutzbund Deutschland on behalf of the Regierungsbezirk of Freiburg. A spa is located on the island, and a field station of the Bird observatory Radolfzell.