drei maare weg view, schalkenmehren and the more touristic caldera lake

tree mountain hill forest wilderness nature landscape valley meadow lake plateau ridge reservoir river highland plant caldera weinfelder maar called totenmaar church village anymore weinfelden long gone calderas eifel one three dauner lakes close small town daun road highlands gerolstein drei maare weg hiking path connecting schalkenmehrener away view schlakenmehren touristic schalkenmehren