Grimley Glacier is a tributary 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...

, 15 nautical miles (28 km) long and 3 nautical miles (6 km) wide. It lies 3 nautical miles (6 km) north of Sunfix Glacier

Sunfix Glacier

Sunfix Glacier is a tributary glacier, 15 nautical miles long and 2 nautical miles wide, draining east-northeast between Grimley and Lurabee Glaciers into Casey Glacier, in northern Palmer Land. Photographed from the air by Ronne Antarctic Research Expedition on December 22, 1947. Surveyed by...

 and flows east-northeast into Casey Glacier

Casey Glacier

Casey Glacier is a glacier wide, flowing east into Casey Inlet on the east coast of Palmer Land. It was discovered by Sir Hubert Wilkins on an aerial flight of December 20, 1928. Wilkins believed the feature to be a channel cutting completely across the Antarctic Peninsula, naming it Casey...

 in northern Palmer Land

Palmer Land

Palmer Land is that portion of the Antarctic Peninsula which lies south of a line joining Cape Jeremy and Cape Agassiz. This application of Palmer Land is consistent with the 1964 agreement between US-ACAN and UK-APC, in which the name Antarctic Peninsula was approved for the major peninsula of...

. The glacier was photographed from the air by the United States Antarctic Service (USAS) on September 28, 1940, and by Ronne Antarctic Research Expedition

Ronne Antarctic Research Expedition

The Ronne Antarctic Research Expedition was an expedition from 1947-1948 which researched the area surrounding the head of the Weddell Sea in Antarctica.-Background:...

 (RARE) on December 22, 1947. It was surveyed by Falkland Islands Dependencies Survey (FIDS) in December 1960. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for Peter H. Grimley of FIDS, geologist at Horseshoe Island

Horseshoe Island (Antarctica)

Horseshoe Island is an island 6.5 nautical miles long and 3 nautical miles wide occupying most of the entrance to Square Bay, along the west coast of Graham Land. Discovered and named by the British Graham Land Expedition under Rymill who mapped this area by land and from the air in 1936-37...

 and Stonington Island

Stonington Island

Stonington Island is a rocky island lying 1 mile northeast of Neny Island in the eastern part of Marguerite Bay, off the west coast of Graham Land. Stonington Island is located at . Stonington Island, 0.4 miles long from northwest to southeast and 0.2 miles wide formerly connected by a drifted snow...

in 1960.