The mountain is prominently visible from Mount Cook Village in the Hooker Valley, with Tuckett Glacier flowing down the south-eastern side of the mountain and Mueller Glacier in the valley below it.[3][4] With a height of 3,151 metres (10,338 ft), Mount Sefton is the 13th-highest peak in the Southern Alps, and the 4th-highest mountain in New Zealand when excluding peaks of little prominence that are closer than a kilometre to a higher peak.
The Douglas River (formerly known as the Twain River) begins on Mount Sefton.[3]