Cappellari 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...

 11 miles (17.7 km) long in the Hays Mountains

Hays Mountains

Hays Mountains is a large group of mountains of the Queen Maud Mountains, surmounting the divide between the lower portions of Amundsen and Scott Glaciers and extending from the vicinity of Mount Thorne on the northwest to Mount Dietz on the southeast. Discovered by R...

, flowing west from the northwest shoulder of Mount Vaughan

Mount Vaughan

Mount Vaughan is a prominent peak, 3,140 m, standing 4 miles south-southwest of Mount Griffith on the ridge at the head of Vaughan Glacier, in the Hays Mountains of the Queen Maud Mountains. Named for Norman D. Vaughan, dog driver with the Byrd Antarctic Expedition geological party under Laurence...

 to enter Amundsen Glacier

Amundsen Glacier

Amundsen Glacier is a major Antarctic glacier, about 6 to 10 km wide and 128 km long, originating on the polar plateau where it drains the area to the south and west of Nilsen Plateau, and descending through the Queen Maud Mountains to enter the Ross Ice Shelf just west of the...

 just north of Mount Dort

Mount Dort

Mount Dort is a conspicuous ice-free mountain, 2,250 m, projecting into the east side of Amundsen Glacier just south of the mouth of Cappellari Glacier. Discovered and first mapped by the Byrd Antarctic Expedition, 1928-30...

. It was first roughly mapped by the Byrd Antarctic Expedition, 1928–30, and remapped by the 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,...

 from ground surveys and from U.S. Navy air photos, 1960–64. It was named by the 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...

 for Lewis K. Cappellari who made ionospheric studies at McMurdo Station

McMurdo Station

McMurdo Station is a U.S. Antarctic research center located on the southern tip of Ross Island, which is in the New Zealand-claimed Ross Dependency on the shore of McMurdo Sound in Antarctica. It is operated by the United States through the United States Antarctic Program, a branch of the National...

in 1965.