Mount - Variation of Mountain: Mass of land prominently elevated above the surrounding terrain, bounded by steep slopes and rising to a summit and/or peaks. ["Mount" preceding the name usually indicates that the feature is named after a person.]
Adopted 7 July 1955 on 92F/5, as recommended by W.R. Young, BC representative to the Geographic Board of Canada.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office
After Ralph Rosseau, a widely-known and respected elementary school principal in Port Alberni and a noted mountaineer; killed in a climbing accident on Mount Septimus 3 July 1954. (obituary & photograph in West Coast Advocate, 8 July 1954, file T.1.43)
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office