Adams Nunatak (71°44′S68°34′W) is a nunatak on the south side of Neptune Glacier, 6 miles (10 km) west of Cannonball Cliffs, and lies about 7.4 miles (12 km) inland from George VI Sound in eastern Alexander Island, Antarctica. Mapped by Directorate of Overseas Surveys from satellite imagery supplied by NASA in cooperation with U.S. Geological Survey.