Mount Bonnycastle
Feature Type: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.]
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: Just W of headwaters of Coquitlam River at S end of Pinecone Burke Provincial Park, New Westminster Land District
Latitude-Longitude: 49°32'24"N, 122°47'51"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 92G/10
Origin Notes and History:

Adopted 3 May 1951 on 92G, as identified on Water Rights plan 1234 (10A T 186).

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

After W.R. Bonnycastle, engineer-in-charge of water power surveys in the area, 1913-14.

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