Forms the NE wall of the Mount Cerberus caldera, in the NE par of Semisopochnoi Island, N of Fenner Lake, Semisopochnoi I., Aleutian Islands.
Named in 1950 by R. R. Coats, U.S. Geological Survey (USGS), for Frank Perret, U.S. vulcanologist who died in 1950.
East-northeast Indent, East-southeast Bight, North-northeast Bight, North-northwest Bight, South-southeast Bay, South-southwest Indent, Southwest Indent, West-northwest Bight, West-Southwest Bight,
Capes:East-southeast Head, East-southeast Point, North-northwest Head, Northeast Point, Petrel Point, Pochnoi Point, South Point, South Tuman Point, South-southeast Point, South-southwest Point, Southeast Point, Tuman Point, West-northwest Point,
Cliffs:North Head, Southwest Knob, Sugarloaf Head, Tuman Head,
Hills:Amchixtam Chaxsxii, Lakeshore Cone,
Islands:Lakes:Mountains:Anvil Peak, Mount Cerberus, Ragged Top, Sugarloaf Peak, Threequarter Cone,
Ridges:Streams: