[2] Surrounded by ice on all sides, the mountain is situated in the notch where the main arm of the Kaskawulsh Glacier merges with its south arm.

The nearest higher peak is GJ43, 3.8 km (2.4 mi) to the west.

[1] The native-American name kaskawulsh was given to the river north of Yakutat Bay in 1890 when it was first written by British explorer Edward J. Glave as Kaska Wurlch.

[4] Today, the Alsek River is assigned to what was known traditionally as the Kaska Wurlch.

[2] Based on the Köppen climate classification, Kaskawulsh Mountain is located in a polar climate with cold, snowy winters, and mild summers.