Hanging valleys are common along glaciated fjords and U-shaped valleys. Kenai Fjords National Park is dominated by a glaciated landscape. Despite the mountainous terrain and the high latitude, Wrangel Island is not glaciated. Kenai Fjords is extensively glaciated, with 51% of the park covered by ice. There are about 1,800 glaciers which cover of the total glaciated area of the Alps. The islands are heavily glaciated and of volcanic origin. The higher mountains were glaciated during the Pleistocene. The lower slopes of the mountain have never been glaciated. Its highest point is about and the northern slopes are heavily glaciated. It is surrounded by the Chugach Mountains, which are heavily glaciated. The volcano was glaciated during the Pleistocene. The gradual transition from glaciated to fluvial valley can be clearly observed. Unlike the southern and middle anthracite fields, the anthracite valley has been recently glaciated repeatedly. The Chon-Kemin valley was glaciated up to its inflow into the Chu valley. These horns are a common shape for mountain tops in highly glaciated areas.