The Pfeifferhorn is the triangularly-shaped peak located in the most isolated part of the Lone Peak Wilderness Area of the Wasatch Mountains in northern Utah, United States. This rugged Utah mountain, commonly referred to as the Little Matterhorn, is the fifth-highest peak in the Wasatch Range. The summit can be reached by hiking, though some scrambling is required. There are several technical rock climbing routes with the north ridge being the most popular. This summit also makes an excellent winter mountaineering adventure.