 Axthelm Ridge () is a narrow ridge, 4 miles (6 km) long, 1.5 miles (2.4 km) southeast of Parkinson Peak.Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1960–63.Named by Advisory Committee on Antarctic Names (US-ACAN) for Commander Charles E. Axthelm, U.S. Navy, Flag Secretary to the Commander of the U.S.