The mainly ice-covered Prehn Peninsula (75°06′S 63°30′W / 75.100°S 63.500°W) is 37 kilometres (20 nmi) long and 19 kilometres (10 nmi) wide, between Hansen and Gardner Inlets, on the eastern coast and at the base of Antarctic Peninsula. First observed from aircraft by the RARE, 1947–48. Mapped by USGS from surveys and US Navy air photos, 1961–67. Named by US-ACAN for Lt. Cdr. Frederick A. Prehn, Jr., USN, pilot on photographic flights in the Pensacola Mountains and Alexander Island areas on Operation Deep Freeze 1967 and 1968.
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This article incorporates public domain material from the United States Geological Survey document: "Prehn Peninsula". (content from the Geographic Names Information System)