尼普頓山脈
Williams Hills () is a compact group of hills, 10 nautical miles (18 km) long, located south of Childs Glacier and west of Roderick Valley in the Neptune Range, Pensacola Mountains. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1956–66. Named by Advisory Committee on Antarctic Names (US-ACAN) for Paul L. Williams, USGS geologist with the Neptune Range field party, 1963–64.