Magnier Peninsula is the mostly ice-covered peninsula projecting 18 km in northwest direction from Graham Coast

Graham Coast

Graham Coast is the portion of the west coast of Graham Land in Antarctic Peninsula, extending 172 km between Cape Bellue to the southwest and Cape Renard to the northeast....

 in Graham Land

Graham Land

Graham Land is that portion of the Antarctic Peninsula which lies north of a line joining Cape Jeremy and Cape Agassiz. This description of Graham Land is consistent with the 1964 agreement between the British Antarctic Place-names Committee and the US Advisory Committee on Antarctic Names, in...

, Antarctica. It is 17 km wide between Leroux Bay

Leroux Bay

Leroux Bay is a bay 9 nautical miles long in a NW-SE direction and averaging 5 nautical miles wide, between Nunez Point and the narrow peninsula surmounted by Magnier Peaks, along the west coast of Graham Land. Discovered by the French Antarctic Expedition, 1903–05, and named by Charcot for...

 to the northeast and Bigo Bay

Bigo Bay

Bigo Bay is a bay long and wide, indenting the west coast of Graham Land between Cape Garcia and the peninsula surmounted by Magnier Peaks. The French Antarctic Expedition, 1908–10, first sighted this bay but charted it as the southern part of Leroux Bay...

 to the southwest. Magnier Peaks

Magnier Peaks

Magnier Peaks are two mountain peaks, the higher 1,345 m, surmounting the peninsula between Leroux and Bigo Bays on the west coast of Graham Land. These peaks were discovered and named by the French Antarctic Expedition, 1908–10, under Charcot....

 rise in the northern part of the peninsula, while Lisiya Ridge

Lisiya Ridge

Lisiya Ridge is the ice-covered ridge at the base of Magnier Peninsula, Graham Coast on the west side of Antarctic Peninsula, extending 16 km in northeast-southwest direction between the heads of Leroux Bay and Bigo Bay, and 11 km wide. Bounded by Comrie Glacier to the south and a...

 occupy its base.

The peninsula is named by Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

, taking its name from Magnier Peaks.

Location

Magnier Peninsula is centred at 65°42′00"S 64°18′00"W. British mapping in 1971.

Maps

• British Antarctic Territory. Scale 1:200000 topographic map. DOS 610 Series, Sheet W 65 64. Directorate of Overseas Surveys, Tolworth, UK, 1971.