<Tr> <Td> - min </Td> <Td> 575 m / s (20,306 cu ft / s) </Td> </Tr> <Tr> <Td_colspan="2"> Fraser River watershed </Td> </Tr> <P> The Fraser River / ˈfreɪzər / is the longest river within British Columbia, Canada, rising at Fraser Pass near Blackrock Mountain in the Rocky Mountains and flowing for 1,375 kilometres (854 mi), into the Strait of Georgia at the city of Vancouver . It is the 10th longest river in Canada . The river's annual discharge at its mouth is 112 cubic kilometres (27 cu mi) or 3,550 cubic metres per second (125,000 cu ft / s), and it discharges 20 million tons of sediment into the ocean . </P> <P> The river is named after Simon Fraser, who led an expedition in 1808 on behalf of the North West Company from the site of present - day Prince George almost to the mouth of the river . The river's name in the Halqemeylem (Upriver Halkomelem) language is Sto: lo, often seen archaically as Staulo, and has been adopted by the Halkomelem - speaking peoples of the Lower Mainland as their collective name, Sto: lo . The river's name in the Dakelh language is Lhtakoh . The Tsilhqot'in name for the river, not dissimilar to the Dakelh name, is ʔElhdaqox, meaning Sturgeon (ʔElhdachogh) River (Yeqox). </P>

Where does the fraser river in bc start