Mount Gannett Deep in Alaska’s Chugach Mountains, Mount Gannett rises above a spectacular wilderness of glaciers, snowfields, steep ridges, and ice-carved valleys. Modern topographic data place the summit within the 10,000- to 10,100-foot contour, although the long-established GNIS elevation is 9,629 feet (2,935 meters). Mount Gannett is an exceptionally isolated mountain. There is no hiking …