The Entiat Range is relatively narrow east to west and long north to south.

The northern end is part of the Glacier Peak Wilderness.

The highest peak of the Entiat Mountains is Mount Fernow, at 9,249 ft (2,819 m).

Other major peaks include Seven Fingered Jack, Mount Maude, Copper Peak, Dumbell Mountain, Spectacle Buttes, Ice Box, and Buckskin Mountain.

A large number of place names, including many of the mountains, were given by Albert H. Sylvester.