North Thompson River

British Columbia. River: North Thompson River drainage
Flows S into Thompson River, N of Kamloops
50°40’54” N 120°20’27 W GoogleGeoHack
Earliest known reference to this name is 1875 (Pemberton).
Name officially adopted in 1912. Official in BCCanada

The Thompson River is named for explorer and geographer David Thompson (1770-1857). The Thompson river was given its name by Simon Fraser.

Identified as North River in Canada Gazette, 14 October 1865. Subsequently designated North Branch of Thompson River; labelled “Thompson River, North Branch” on Joseph Despard Pemberton’s 1871 map of British Columbia.

This name appears as “North Branch of Thompson” on B.C. Surveyor General Joseph William Trutch’s 1871 “Map of British Columbia to the 56th Parallel North Latitude.”


  • Trutch, Joseph William [1826–1904]. Map of British Columbia to the 56th Parallel North Latitude. Victoria, B.C.: Lands and Works Office, 1871. University of Victoria
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