Blackfoot River (Idaho)
| Blackfoot River | |
 Blackfoot River
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| Country | United States |
|---|---|
| State | Idaho |
| Counties | Caribou County, Idaho, Bingham County, Idaho |
| Source | |
| - location | northeast of Soda Springs, Caribou County, Idaho |
| - elevation | 6,443 ft (1,964 m) |
| - coordinates | 42°50′22″N 111°18′32″W / 42.83944°N 111.30889°W |
| Mouth | Snake River |
| - location | southwest of Blackfoot, Bingham County, Idaho |
| - elevation | 4,413 ft (1,345 m) |
| - coordinates | 43°07′38″N 112°30′22″W / 43.12722°N 112.50611°WCoordinates: 43°07′38″N 112°30′22″W / 43.12722°N 112.50611°W |
| Length | 135 mi (217 km) |
| Basin | 1,097 sq mi (2,841 km2) |
| Discharge | for near Blackfoot |
| - average | 210 cu ft/s (6 m3/s) |
| - max | 2,130 cu ft/s (60 m3/s) |
| - min | 0 cu ft/s (0 m3/s) |
  Location of the mouth of the Blackfoot River in Idaho
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The Blackfoot River is a tributary of the Snake River in the U.S. state of Idaho. Formed by the confluence of Diamond Creek and Lanes Creek, it flows 135 miles (217 km) to its mouth at the Snake River. The river is part of the Columbia River Basin.
The Blackfoot River's drainage basin is approximately 1,097 square miles (2,841 km2) in area. Its mean annual discharge, as measured at by USGS gage 13068501 (Combination Blackfoot River and Bypass Channel near Blackfoot, Idaho), is 210 cubic feet per second (5.95 m3/s), with a maximum daily recorded flow of 2,130 cu ft/s (60.3 m3/s), and a minimum of zero flow.
The river is named for the Blackfoot Indians even though they never lived in the area. It was first mapped by the Lewis and Clark expedition.
The Blackfoot River is formed by the joining of Diamond and Lanes creeks, in the Caribou-Targhee National Forest in Caribou County near Soda Springs, Idaho. It flows northwest through the Blackfoot Reservoir, which is used for irrigation and flood control, then west to join the Snake River in Bingham County.
The Blackfoot River's headwaters are very close to the headwaters of the Bear River and the Portneuf River. All three begin in a few square miles of relatively flat land near Soda Springs, from which some headwater streams flow north to the Blackfoot River, others south to the Bear River, and others west to the Portneuf River.
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Wikipedia