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West Branch Snake River Valley Canal in Idaho

Canal12.7 mi
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Around West Branch Snake River Valley Canal

Lava Trail System (Hell's Half Acre)5.8 mi2 mi

Data Source: Recreation.gov · Public land: USGS PAD-US

About this river

West Branch Snake River Valley Canal is a 12.7 mile canal. Streamflow is measured at the USGS gauge Snake River at Blackfoot ID (site 13062500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1978 to 2026

West Branch Snake River Valley Canal typically runs highest in May, at a median 7,130 cfs, and lowest in October, at 2,250 cfs. The highest flow on record for any single day is 42,600 cfs, in 1997.

Show the numbers
Typical flow by month at Snake River at Blackfoot ID, in cfs
MonthTypical (cfs)Usual range (cfs)
January2,3001,840 to 4,020
February2,4401,900 to 3,870
March2,5401,960 to 4,940
April3,4302,090 to 10,600
May7,1303,130 to 13,900
June6,2102,955 to 13,800
July3,2702,190 to 4,970
August2,5901,850 to 3,990
September2,4651,805 to 3,490
October2,2501,670 to 3,050
November2,5752,275 to 3,610
December2,4302,010 to 3,660

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 47 years of record. Statistics published by the US Geological Survey for Snake River at Blackfoot ID (site 13062500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

One mapped launch sits in the mapped area of West Branch Snake River Valley Canal. Ramp data comes from the USGS national boat-ramp inventory.

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