Mumm Peak is located just north of Berg Lake at the northern end of Mount Robson Provincial Park, on the Alberta/British Columbia border.

[5] The peak lies on the common boundary shared by Jasper National Park and Mount Robson Provincial Park.

[1][3] The mountain is composed of sedimentary rock laid down during the Precambrian to Jurassic periods and pushed east and over the top of younger rock during the Laramide orogeny.

[6] Based on the Köppen climate classification, Mumm Peak is located in a subarctic climate zone with cold, snowy winters, and mild summers.

[7] Winter temperatures can drop below −20 °C with wind chill factors below −30 °C.