Elk River (British Columbia)

Elk River
Location
CountryCanada
ProvinceBritish Columbia
DistrictKootenay Land District
Physical characteristics
SourceUpper Elk Lake
  locationRocky Mountains
  coordinates50°33′N 115°07′W / 50.550°N 115.117°W / 50.550; -115.117
MouthKootenay River
  location
Lake Koocanusa
  coordinates
49°10′N 115°13′W / 49.167°N 115.217°W / 49.167; -115.217
Length220 km (140 mi)
Basin size4,450 km2 (1,720 sq mi)
Discharge 
  locationAt Phillips Bridge
  average75.6 m3/s (2,670 cu ft/s)
  minimum5.66 m3/s (200 cu ft/s)
  maximum1,020 m3/s (36,000 cu ft/s)

The Elk River is a 220-kilometre (140 mi) long river, in the southeastern Kootenay district of the Canadian province of British Columbia. Its drainage basin is 4,450 square kilometres (1,720 sq mi) in area. Its mean discharge is approximately 60 cubic metres per second (2,100 cu ft/s), with a maximum recorded discharge of 818 cubic metres per second (28,900 cu ft/s). It is a tributary of the Kootenay River, and falls within the basin of the Columbia River.