Hood 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...

 about 25 nautical miles (46 km) long draining northward from Siege Dome

Siege Dome

Siege Dome is a small, ice-covered prominence standing to the south of the head of Hood Glacier, close southeast of Mount Patrick in the Commonwealth Range. Named by the New Zealand Alpine Club Antarctic Expedition because while attempting to establish a survey station here, they met with an...

 in the Commonwealth Range

Commonwealth Range

The Commonwealth Range is a north-south trending range of rugged mountains, 100 km long, located on the continent of Antarctica. The range borders the eastern side of Beardmore Glacier from the Ross Ice Shelf to Keltie Glacier...

. It enters Ross Ice Shelf

Ross Ice Shelf

The Ross Ice Shelf is the largest ice shelf of Antarctica . It is several hundred metres thick. The nearly vertical ice front to the open sea is more than 600 km long, and between 15 and 50 metres high above the water surface...

 between that range and Separation Range

Separation Range

Separation Range is the Commonwealth Range branches at about 8420S and forms two chains of mountains separated by Hood Glacier. The Separation Range, about 30 nautical miles long, is the eastern branch and terminates to the north at Ross Ice Shelf. Named by the New Zealand Alpine Club Antarctic...

. Discovered by the Southern Polar Party of British Antarctic Expedition (1907–09) under Ernest Shackleton

Ernest Shackleton

Sir Ernest Henry Shackleton, CVO, OBE was a notable explorer from County Kildare, Ireland, who was one of the principal figures of the period known as the Heroic Age of Antarctic Exploration...

. Named for Admiral Sir Horace Hood, under whom J.B. Adams

J.B. Adams

J.B. Adams is an American character stage and film actor, director and singer. He has credits in film, television and, most notably, musical theatre. Originally from Oklahoma City, Oklahoma, he attended Oklahoma City University, where he studied voice, piano, opera, and musical theatre, after...

, a member of the party had served in HMS Berwick. The outcropping Chevron Rocks

Chevron Rocks

Chevron Rocks is a distinctive rock outcrop at the north end of Retrospect Spur, near the head of Hood Glacier in the Queen Maud Mountains. A New Zealand party climbed Retrospect Spur during the 1959–60 season. They gave the name Chevron Rocks because of their appearance, resembling the stripes...

is located hear the head of Hood Glacier.