Along the Lake Antholz, turn right and take path no. 7 to the mountain pasture Steinzgeralm. Then continue to the upper Steinzgeralm and turn left towards Staller Sattel via path no. 7a. There you will reach the viewpoint Zwei Seen Blick (two-lakes-view), from where you will descend to Staller Sattel. At that point you can walk around the Obersee Lake and then descend from the Staller Sattel to the Lake Antholz and complete the tour.