Simpson Ridge (68°6′S 62°23′E / 68.100°S 62.383°E / -68.100; 62.383) is an isolated, sharp, serrated ridge situated 1 nautical mile (1.9 km) south of Mount Twintop in the Framnes Mountains, Mac.
Mapped from ANARE (Australian National Antarctic Research Expeditions) surveys, 1954–62.
Simpson, electronics engineer at Mawson Station in 1967.
This article incorporates public domain material from "Simpson Ridge".
Robertson Land location article is a stub.