Start: Car park at the end of Nonnenmattweiherweg road, search for Fischerhütte. Nonnenmattweiher, 79692 Kleines Wiesental, Germany.
(S/E) Walk to the end of the car park and take the farm track towards the Fischerhütte. Walk past it (toilets are available here) to reach the lake.
(1) Here you can walk around the lake either way as it is circular. The way back will be from here walking past the Fischerhütte again.
If you start the walk clockwise, at the second path junction, you can turn left to walk up to a nice viewpoint otherwise carry on the flat ground around the lake.(S/E)