Mount Darnley (59°3′S 26°30′W / 59.050°S 26.500°W) is a mountain, 1,100 metres (3,600 ft) high, in the south-central portion of Bristol Island in the South Sandwich Islands off Antarctica. It was charted in 1930 by Discovery Investigations personnel on the Discovery II, who named it for E.R. Darnley.[1]