Cruyt Spur is a rocky spur 5 miles (8 km) northeast of Ruth Ridge

Ruth Ridge

Ruth Ridge is a black, rocky ridge 2.8 miles long in a north-south direction, terminating at its south end in a small peak. The ridge forms the south end of Detroit Plateau and marks a change in the direction of the plateau escarpment along Nordenskjöld Coast on the east side of Graham Land where...

, extending 2.3 miles (3.7 km) southeast from the south wall of Detroit Plateau

Detroit Plateau

Detroit Plateau is a major interior plateau of Graham Land, with heights between 1,500 and 1,800 m. Its northeast limit is marked by the south wall of Russell West Glacier, from which it extends some in a general southwest direction to Herbert Plateau. The plateau was observed from the air by...

, on Nordenskjöld Coast

Nordenskjold Coast

Nordenskjold Coast is that portion of the east coast of the Antarctic Peninsula between Cape Longing and Cape Fairweather. The name was proposed in 1909 by Edwin Swift Balch, for Otto Nordenskiöld, Swedish geographer and leader of the Swedish Antarctic Expedition, 1901-04, who explored this coast...

 in 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...

, Antarctica. Mapped from surveys by Falkland Islands Dependencies Survey (FIDS) (1960–61). Named by United Kingdom Antarctic Place-Names Committee (UK-APC) for William Cruyt, Belgian army engineer who designed the first "auto-polaire" in 1907.