Rubinhorn - Unterer Gaisalpsee, located in the Naturschutzgebiet Allgäuer Hochalpen near Oberstdorf, Bavaria, Germany, is the perfect outdoor adventure for hikers and rock climbers. The 11 mile loop trail offers visitors breathtaking views of mountain panoramas, Lower Gaisalpsee, the Großer Widderstein, and Hoher Ifen, among other sights. Go in May through September for the ideal hiking experience. Check out Unterer Gaisalpsee for a trail that will challenge and reward you. With an average completion time of 7 hours and 28 minutes, it'll thrill both experienced adventurers and newbies alike. Don't forget to pack your swimsuit for a cool dip in the lake during your hike!