Adopted 2 June 1980 on 104G/9, as submitted by Geological Survey of Canada.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office
Esja Peak and Hoyaa Peak named by Geological Survey of Canada, referring to a 1956 incident when one of the members of their survey expedition suffered heart attack-like symptoms. Esja hoya'a is a Tahltan expression meaning "my heart is ailing."
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office