Ruth Ridge is a black, rocky ridge 2.8 miles (4.5 km) long in a north-south direction, terminating at its south end in a small peak

Summit (topography)

In topography, a summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. Mathematically, a summit is a local maximum in elevation...

. The ridge forms the south end 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...

 and marks a change in the direction of the plateau escarpment along 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...

 on the east side 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...

 where it turns west to form the north wall of Drygalski Glacier

Drygalski Glacier

The Drygalski Ice Tongue or Drygalski Barrier or Drygalski Glacier Tongue is a glacier in Antarctica, located on the Scott Coast, in the northern McMurdo Sound of Antarctica's Ross Dependency, north of Ross Island. The ice tongue is located at...

. Dr. Otto Nordenskjold, leader of the Swedish Antarctic Expedition

Swedish Antarctic Expedition

The Swedish Antarctic Expedition was led by Otto Nordenskjöld and Carl Anton Larsen.-Background:Otto Nordenskjöld, a Swedish geologist and geographer, organized and lead a scientific expedition of the Antarctic Peninsula...

, 1901–04, gave the name Cape Ruth, in honor of his sister, to what appeared to be a cape at the north side of Drygalski Glacier. The feature was determined to be a ridge in 1947 by the Falkland Islands Dependencies Survey (FIDS).