Douglas Peak is a peak, 1,525 m, lying 11 nautical miles (20 km) southwest of Mount Codrington

Mount Codrington

Mount Codrington is a prominent mountain, high, standing south-southeast of Cape Close and east of Johnston Peak. Mount Codrington forms the northeastern end of the Napier Mountains....

 and 8 nautical miles (15 km) east of Mount Marr

Mount Marr

Mount Marr is a rock peak which rises above the surrounding ice surface 8 nautical miles south of Johnston Peak and 8 nautical miles west of Douglas Peak, in Enderby Land. It was discovered in January 1930 by the British Australian New Zealand Antarctic Research Expedition under Douglas Mawson...

. It was discovered in January 1930 by the British Australian New Zealand Antarctic Research Expedition (BANZARE) under Mawson, and named for Flight Lieutenant E. Douglas, RAAF, a pilot with the expedition.