Mudge Passage () is a marine passage running east–west from the vicinity of
Prospect Point,
Graham Coast, between
Beer Island
Beer Island () is an island in the South Pacific, long, lying close to The Niblets and immediately south of Jagged Island and west of Prospect Point, off the west coast of Graham Land. It was charted and named by the British Graham Land Expe ...
and
Dodman Island to the north and
Saffery Islands
Saffery Islands () is a group of islands extending west from Black Head, off the west coast of Graham Land. Charted by the British Graham Land Expedition (BGLE) under Rymill, 1934–37. Named by the United Kingdom Antarctic Place-Names Committe ...
and
Trump Islands to the south, to the vicinity of
Extension Reef
Extension Reef is a reef which encompasses a large number of small islands and rocks, extending southwest from the south end of Rabot Island, in the Biscoe Islands. It was first charted and named by the British Graham Land Expedition, 1934–37, ...
. The passage was navigated and charted by Captain
C.R. Elliott in RRS ''
John Biscoe'' in January 1979. Named by the
United Kingdom Antarctic Place-Names Committee (UK-APC) in association with
Harrison Passage
Harrison Passage () is a passage between Larrouy Island and Tadpole Island to the west, and the Llanquihue Islands and the west coast of Graham Land, Antarctica, to the east. It was photographed by Hunting Aerosurveys Ltd in 1956–57, and was map ...
and
Maskelyne Passage
Maskelyne Passage () is a passage between Larrouy Island and Tadpole Island to the east, and Cat Island, Runnelstone Rock and Hummock Island to the west, off the west coast of Graham Land, Antarctica. It was photographed by Hunting Aerosurveys ...
to the northeast, after
Thomas Mudge (1715–94), English horologist who made substantial improvements to marine chronometers.
Straits of Graham Land
Graham Coast
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