Mimas Peak (71°56′S 69°36′W / 71.933°S 69.600°W / -71.933; -69.600) is a sharp conspicuous peak, rising to about 1,000 metres (3,300 ft) west of the head of Saturn Glacier and 9 nautical miles (17 km) west of the Dione Nunataks in the southeast part of Alexander Island, Antarctica.
The peak was sighted from a distance in 1949 by the Falkland Islands Dependencies Survey (FIDS) and roughly positioned.
The peak and surrounding area were first mapped in detail from air photos taken by the Ronne Antarctic Research Expedition 1947–48, by D. Searle of the FIDS in 1960.
[1] Note that some maps incorrectly attach the name to a subsidiary and smaller peak off the east flank of the mountain.
Mimas Peak was climbed by Paul Doubleday (British Antarctic Survey geologist) and Brian Hull (field guide) on 3 January 1993, as part of geological research in the area.