Mount Erebus is a 3,112-metre (10,210-foot) mountain summit located near one of the most beautiful mountain meccas in the world, the Tonquin Valley of Jasper National Park in Alberta, Canada. Mount Erebus is composed of sedimentary rock laid down during the Cambrian period, then was pushed east and over the top of younger rock during the Laramide orogeny. Its nearest higher peak is Mount Fraser, 4.0 km (2.5 mi) to the northwest. The Continental Divide lies 3 km (1.9 mi) to the west, Angle Peak is situated 4.5 km (2.8 mi) to the southeast, and The Ramparts are 5.0 km (3.1 mi) to the north. The mountain's north ridge terminates at Outpost Peak.