Trachyte Hills

Feature Type:Hills - Elevation of terrain rising prominently above the surrounding land. Plural of Hill.
Name Authority: BC Geographical Names Office
Relative Location: SW of junction of Bonaparte River and Hat Creek, W of Cache Creek (community), Kamloops Division Yale Land District
Latitude-Longitude: 50°48'13''N, 121°29'50''W at the approximate centre of this feature.
Datum: NAD83
NTS Map: 92I/14
Related Maps: 92I/13

Origin Notes and History:

Adopted 6 October 1936 on Geological Survey sheet 407A, Ashcroft, as labelled on Geological Survey sheet 557, Kamloops, 1895.

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

"Trachyte: a usually light-colored volcanic rock consisting chiefly of potash feldspar; from the Greek word trachys, meaning rough." "Trachytic: of or relating to a texture of igneous rocks in which lath-shaped feldspar crystals are in almost parallel lines."

Source: Merriam-Webster OnLine (, or Webster's New International Dictionary, 2nd edition, unabridged, 1951