Ross Pass is a narrow but well-defined pass between the southeast end of the Allardyce Range

Allardyce Range

The Allardyce Range is a mountain range rising south of Cumberland Bay and dominating the central part of South Georgia, a UK overseas territory. Mount Paget is the highest peak of the range and also the highest point in the UK territory...

 and the northwest end of the Salvesen Range

Salvesen Range

The Salvesen Mountains or Salvesen Range is a mountain range on the southern tip of South Georgia, rising to a maximum elevation of . They were created 127 million years ago and are made mainly from granite. The Cretaceous granite is pretruded into the Jurassic basaltic lavas and dolerite dykes....

 in South Georgia. The pass is 610 m high and provides a sledging route between Ross Glacier

Ross Glacier

Not to be confused with Ross Ice Shelf in AntarcticaRoss Glacier is a glacier 6 miles long, flowing east from the juncture of Allardyce and Salvesen Ranges to Little Moltke Harbour, Royal Bay, on the north coast of South Georgia...

 and Brogger Glacier. It was first mapped in 1882-83 by the German group of the International Polar Year Investigations who referred to it as "Gletscher-Joch" (meaning 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...

yoke). The name Ross Pass, which derives from association with nearby Ross Glacier, was given by the SGS following their survey of 1951-52.