[1] Mount King George is composed of sedimentary rock laid down during the Cambrian period.

The first ascent of Mount King George was made 10 August 1919 by Val Fynn with Rudolph Aemmer as guide.

[2] Established climbing routes on Mount King George:[8] Based on the Köppen climate classification, Mount King George is located in a subarctic climate zone with cold, snowy winters, and mild summers.

[9] This climate supports the King George Glacier on the eastern slope of the mountain.

In terms of favorable weather, the best months for climbing are July through September, with late summer being best for crossing the Palliser River.