Situated in the Tonquin Valley, Oubliette Mountain is part of The Ramparts in the Canadian Rockies.

The nearest higher neighbor is Dungeon Peak, 1.0 km (0.62 mi) to the northwest.

[1] The first ascent was made in July 1932 by William Hainsworth and Max Strumia, with guide Hans Fuhrer.

[1] The first ascent of the East Buttress was made July 27, 1962 by Fred Beckey, Brian Greenwood, and Don Gordon.

In terms of favorable weather, July and August present the best months for climbing.