Hagen Peak is a 2,635-metre (8,645 ft) double summit mountain located on the western boundary of Yoho National Park in the Canadian Rockies of British Columbia, Canada.

The mountain is situated 36 km (22 mi) northeast of Golden in the Blaeberry Valley, and less than 13 km (8.1 mi) from the Continental Divide.

The mountain was named after Canadian Army Private Alfred G. Hagen of Field, BC, who was serving with the 10th Canadian Infantry Brigade when he was killed in 1944 World War II action, during the liberation of Calais, France.

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

[5] Temperatures can drop below −20 °C with wind chill factors below −30 °C.