Harper Creek Wilderness Study Area has 6 named peaks. The highest is Long Ridge at 1,044 m. Other notable peaks include Chestnut Mountain, Pine Ridge and Persimmon Ridge.
There are 6 named mountains in Harper Creek Wilderness Study Area. Long Ridge is the highest point. The most prominent mountain is Chestnut Mountain.

The highest peak in Harper Creek Wilderness Study Area is Long Ridge, at 1,044 m.
Notable peaks in Harper Creek Wilderness Study Area include Long Ridge, Chestnut Mountain, Pine Ridge, Persimmon Ridge and Yellow Buck Mountain.
