Precipitation runoff and glacial meltwater from the mountain drains to Kinbasket Lake via Smith Creek.

Topographic relief is significant as the summit rises 2,200 metres (7,218 ft) above the lake in 9 km (5.6 mi).

[citation needed] The mountain's toponym was officially adopted on March 4, 1965, by the Geographical Names Board of Canada.

[2] The mountain was named in 1954 by William Lowell Putnam III for Yggdrasil, the great ash tree symbolizing the universe according to Norse mythology.

[citation needed] Based on the Köppen climate classification, Ygdrasil Mountain is located in a subarctic climate zone with cold, snowy winters, and mild summers.