Bayly 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...

 flowing into the head of Bancroft Bay

Bancroft Bay

Bancroft Bay is a bay lying between Charlotte Bay and Wilhelmina Bay, along the west coast of Graham Land. The bay was first roughly indicated by the Belgian Antarctic Expedition under Gerlache, 1897–99...

, on the west coast of Graham Land

Graham Land

Graham Land is that portion of the Antarctic Peninsula which lies north of a line joining Cape Jeremy and Cape Agassiz. This description of Graham Land is consistent with the 1964 agreement between the British Antarctic Place-names Committee and the US Advisory Committee on Antarctic Names, in...

. It was mapped by the Falkland Islands Dependencies Survey (FIDS) from photos taken by Hunting Aerosurveys Ltd

Hunting Aerosurveys Ltd

Hunting Aerosurveys Ltd was a British aerial photography company. It incorporated Aerofilms Ltd and the Aircraft Operating Company.In 1947 it was using three types of aircraft: Austers, a Percival Proctor and a D. H. Rapide and planned to acquire one or more Percival Mergansers...

 in 1956–57, and named by the UK Antarctic Place-Names Committee

UK Antarctic Place-Names Committee

The UK Antarctic Place-Names Committee is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory and the South Georgia and the South Sandwich Islands...

 in 1960 for Maurice B. Bayly, FIDS geologist at the Danco Island

Danco Island

Danco Island or Isla Dedo is an island off Antarctica, long lying in the southern part of Errera Channel, off the west coast of Graham Land. Danco Island is located at . Danco Island was charted by the Belgian Antarctic Expedition under Adrien de Gerlache, 1897-1899...

 station in 1956 who, together with L. Harris, pioneered the route from the Portal Point

Portal Point

Portal Point is a narrow point in the northeast part of Reclus Peninsula, on the west coast of Graham Land. In 1956, an Falkland Islands Dependencies Survey hut was established on the point, from which a route to the plateau was established. So named by the United Kingdom Antarctic Place-Names...

 hut (on nearby Reclus Peninsula

Reclus Peninsula

Reclus Peninsula is a peninsula 7 miles long which borders the W side of Charlotte Bay, on the W coast of Graham Land. First charted in 1898 by the Belgian Antarctic Expedition under Gerlache, who named the N extremity "Cap Reclus" for Elisee Reclus , French geographer and author...

) to the plateau in February 1957.