The Zugspitze is very frequently climbed using various routes and the Alpspitze summit, too, is a popular destination that can be reached on several different routes. The ridge of Jubiläumsgrat is a high alpine climbing route that links these two summits. The climbing along the Blassenkamm ridge over the tops of the Innere, Mittlere and Äußere Höllentalspitze has sections that are classified as UIAA grade III-.