Mount Indefatigable is a 2,667-metre (8,750-foot) mountain summit located in Peter Lougheed Provincial Park in the Canadian Rockies of Alberta, Canada.

[3][5] The mountain's toponym was officially adopted in 1922 by the Geographical Names Board of Canada.

[3] In 2005, the popular trail to the summit of Mount Indefatigable was decommissioned to protect prime grizzly bear habitat.

Though the unmaintained trail still exists, travel is discouraged by Alberta Parks.

[6] Mount Indefatigable is composed of sedimentary rock laid down during the Precambrian to Jurassic periods.