52°12’40” N 118°10’30” W — Map 83D/1 — Google
Name officially adopted in 1974. Official in BC — Canada
Called “Flat Heart River” by David Thompson in 1811, who descended it after crossing the Athabasca Pass.
Our residence was near the junction of two Rivers from the Mountains with the Columbia: the upper Stream which forms the defile by which we came to the Columbia, I named the Flat Heart, from the Men being dispirited ; it had nothing particular. The other was the Canoe River ; which ran through a bold rude valley, of a steady descent, which gave to this River a very rapid descent without any falls…
- Thompson, David [1770–1857]. David Thompson’s Narrative of His Explorations in Western America, 1784-1812. Toronto: Champlain Society, 1916. p. 451. University of British Columbia