Simpson Glacier is a glacier

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

, 6 miles (10 km) long, in the Admiralty Mountains

Admiralty Mountains

The Admiralty Mountains is a large group of high mountains and individually-named ranges and ridges in northeastern Victoria Land of Antarctica...

. It flows northward to the coast between Nelson Cliff

Nelson Cliff

Nelson Cliff is a prominent rock cliff at the west side of Simpson Glacier on the north coast of Victoria Land. First charted by the Northern Party, led by Victor Campbell, of the British Antarctic Expedition, 1910-13. Named for Edward W. Nelson, biologist of the expedition....

 and Mount Cherry-Garrard

Mount Cherry-Garrard

Mount Cherry-Garrard is a peak at the seaward end of the divide between Simpson Glacier and Fendley Glacier, on the north coast of Victoria Land. It was charted by the Northern Party, led by Victor Campbell, of the British Antarctic Expedition, 1910–13. They named the feature for Apsley...

 where it forms the Simpson Glacier Tongue

Simpson Glacier Tongue

Simpson Glacier Tongue is a small floating glacier tongue nourished by Simpson Glacier and Fendley Glacier as it extends into the sea between Nelson Cliff and Atkinson Cliffs, along the north coast of Victoria Land. Charted by the Northern Party, led by Campbell, of the British Antarctic...

. The latter feature was named by the British Antarctic Expedition

Terra Nova Expedition

The Terra Nova Expedition , officially the British Antarctic Expedition 1910, was led by Robert Falcon Scott with the objective of being the first to reach the geographical South Pole. Scott and four companions attained the pole on 17 January 1912, to find that a Norwegian team led by Roald...

, 1910–13, after Sir George Simpson, meteorologist of the expedition. The glacier described was mapped by United States Geological Survey

United States Geological Survey

The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology,...

 (USGS), 1960–63, and was so named by Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN) because (with Fendley Glacier

Fendley Glacier

Fendley Glacier is a glacier, 17 nautical miles long, flowing northeast from the Admiralty Mountains to enter the sea between Mount Cherry-Garrard and Atkinson Cliffs, on the north coast of Victoria Land. Mapped by United States Geological Survey from surveys and U.S. Navy air photos, 1960-63....

to the east) it nourishes the Simpson Glacier Tongue.