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Hell's Canyon Jet Boat Tours

Snake River near Lewiston, ID

River50.1 mi

Around here

Around Snake River

Morley Nelson Snake River Birds of P…5.6 miMorley Nelson Snake River Birds of P…7.5 mi20 mi

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

About this river

Snake River is a 50.1 mile river near Hell's Canyon Jet Boat Tours in Idaho. Streamflow is measured at the USGS gauge Snake River near Murphy ID (site 13172500). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1914 to 2026

Snake River typically runs highest in April, at a median 10,900 cfs, and lowest in July, at 7,030 cfs. The highest flow on record for any single day is 46,100 cfs, in 1918.

Show the numbers
Typical flow by month at Snake River near Murphy ID, in cfs
MonthTypical (cfs)Usual range (cfs)
January10,1008,040 to 12,900
February10,1008,020 to 13,200
March10,1007,900 to 13,700
April10,9007,430 to 16,450
May9,1807,270 to 16,500
June9,0606,900 to 16,350
July7,0306,250 to 7,760
August7,2106,380 to 7,850
September8,1107,020 to 8,945
October9,2407,990 to 11,400
November9,5658,025 to 12,400
December9,8108,020 to 12,700

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 113 years of record. Statistics published by the US Geological Survey for Snake River near Murphy ID (site 13172500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

8 mapped launches sit in the mapped area of Snake River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

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