There’s nothing like conquering The Fortress with a bunch of friends! The Fortress is a peak in Kananaskis Park, Canada, located southeast of Gusty Peak in the Kananaskis River Valley. The Fortress is a peak in the Canadian Rockies’ Kananaskis River Valley. The north face has a fortress-like aspect when viewed from Highway 40. The Fortress is not to be confused with Fortress Mountain, which is located to the southeast of Gusty Peak.