Bigo Bay is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 8 miles (12.9 km) long and 6 miles (10 km) wide, indenting the west coast of 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...

 between Cape Garcia

Cape Garcia

Cape Garcia is a cape at the north side of the entrance to Barilari Bay, on the west coast of Graham Land. The cape was discovered and named "Cap Loqui" by the French Antarctic Expedition, 1903–05, under Charcot. At the same time Charcot named the south entrance point to the bay "Cap Garcia,"...

 and the peninsula surmounted by 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....

. The French Antarctic Expedition, 1908–10, first sighted this bay but charted it as the southern part of 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...

. The British Graham Land Expedition

British Graham Land Expedition

A British expedition to Graham Land led by John Lachlan Cope took place between 1920 and 1922. The British Graham Land Expedition was a geophysical and exploration expedition to Graham Land in Antarctica between 1934 to 1937. Under the leadership of John Riddoch Rymill, the expedition spent two...

, 1934–37, determined that the peninsula surmounted by Magnier Peaks separates this bay from Leroux Bay. It was named by Rymill after Mount Bigo

Mount Bigo

Mount Bigo is an 1,980 m mountain in Lisiya Ridge on Magnier Peninsula, Graham Coast in Graham Land, standing immediately southwest of Mount Perchot at the head of Bigo Bay. Discovered by the French Antarctic Expedition, 1908–10, and named by Charcot, probably for Robert Bigo of Calais, a member...

, a mountain at the head of the bay.