Mount Osborne is a mountain

Mountain

Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

 (2,600 m) on the southwest side of Thomas Glacier

Thomas Glacier

Thomas Glacier is a roughly Z-shaped glacier which drains the southeast slopes of Vinson Massif and flows for 17 nautical miles through the south part of the Sentinel Range, Ellsworth Mountains, leaving the range south of Johnson Spur. Discovered by U.S...

, 5 nautical miles (9 km) east of Mount Craddock

Mount Craddock

Mount Craddock is a large, bold mountain forming the south extremity of Craddock Massif in Sentinel Range, the highest mountain in Antarctica. It is linked by Karnare Col to Mount Strybing in the southern Sentinel Range...

, in the Sentinel Range

Sentinel Range

The Sentinel Range is a major mountain range situated northward of Minnesota Glacier and forming the northern half of the Ellsworth Mountains in Antarctica. The range trends NNW-SSE for about and is 24 to 48 km wide...

, Ellsworth Mountains

Ellsworth Mountains

The Ellsworth Mountains are the highest mountain ranges in Antarctica, forming a long and wide chain of mountains in a north to south configuration on the western margin of the Ronne Ice Shelf. They are bisected by Minnesota Glacier to form the northern Sentinel Range and the southern Heritage...

. First 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) from surveys and U.S. Navy air photos, 1957-59. 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) for Thomas M. Osborne, Navy builder, who helped construct and served at the South Pole Station with the winter party, 1957.