Mountain hiking trail from Grünenberg Pass to Rischeren. Demanding but very rewarding circular hike into primeval mountain areas. The karst landscape in the Seefeld nature reserve with its karst fields, rare shrubs, grasses and flowers, along with raised bogs and ponds, delights all nature lovers. Up to Grünenberg Pass, longer sections on hard surface, then continuously natural path. Avoid hiking in fog and wet weather.