The nearly 11 km long 4-Lakes Hike is a true experience. You start at the Weißbrunnsee lake and hike steeply along Trail 140 to the Höchsterhütte. After about 2 hours, you reach the Höchsterhütte at the Grünsee lake, the highest point of the tour, where you can enjoy a breathtaking view of the highest mountains in the Ultental valley. Afterwards, the path leads you along the Ultner Höhenweg No. 12 to the Langsee lake and continues down Trail 107 to the Oberweißbrunnsee lake. After another half hour, you arrive at the Fischersee lake before returning to the starting point via Trail 103.