Trio Mountain
Feature Type:Mountain - Mass of land prominently elevated above the surrounding terrain, bounded by steep slopes and rising to a summit and/or peaks.
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: NE side of Arctomy Valley, W of The Colonel at NE end of Mount Robson Provincial Park, Cariboo Land District
Latitude-Longitude: 53°05'26"N, 118°53'02"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 83E/2
Origin Notes and History:

Adopted 1 May 1934 on Ottawa file 3037, as labelled on BC-Alberta boundary sheet 31, 1922.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

Topographic Survey of Canada advises "...the origin of the name is obviously that it has three peaks..."

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office