Newcomer Glacier (77°47′S 85°27′W / 77.783°S 85.450°WCoordinates: 77°47′S 85°27′W / 77.783°S 85.450°W) is a glacier 20 nautical miles (37 km) long transecting the north part of the Sentinel Range, flowing from the vicinity of Allen Peak southeast between Gromshin Heights and the main ridge of range, and then east between Gromshin Heights and Sostra Heights to where it leaves the Sentinel Range north of Bracken Peak and south of Foros Spur. Named by the Advisory Committee on Antarctic Names (US-ACAN) for Commander Loyd E. Newcomer of U.S. Navy Squadron VX-6, pilot on photographic flights over the range on December 14–15, 1959.
This article incorporates public domain material from the United States Geological Survey document "Newcomer Glacier" (content from the Geographic Names Information System).