Fissile Peak
Feature Type:Peak (2) - Summit of a mountain or hill, or the mountain or hill itself.
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: E side of Cheakamus Lake, SE of Whistler in Garibaldi Provincial Park, New Westminster Land District
Latitude-Longitude: 50°01'06"N, 122°50'55"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 92J/2
Origin Notes and History:

Adopted 27 August 1965 on 92J, as submitted in December 1964 by the Fitzsimmons Names Committee (UBC's Varsity Outdoors Club; Karl Ricker, Neal Carter et al), file P.1.65, p.9.

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

Descriptive: this mountain is made up of red slate which can be readily split into thin plates or slabs of uniform thickness; this property is known as "fissility" in geological terminology. (1964 explanation from Fitzsimmons Naming Committee)

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

This summit to the west of Overlord Mtn is identified as "Red Mt - 7700 ft." on a sketch by Neal M.Carter entitled "Mountains around head of Fitzsimmons Valley from above the Cabin, Sept. 17, 1923 on the way to Whistler." (October 2011 advice from Whistler Museum & Archives, accession # WMA_P88_028 CARTER.tif)

Source: BC place name cards, files, correspondence and/or research by BC Chief Geographer/Geographical Names Office.