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Lochsa River in Idaho

River34.5 mi
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Around here

Around Lochsa River

Wilderness Gateway1.2 miSplit Creek Trailhead and River Acce…7.7 mi5 mi

Data Source: Recreation.gov · Source: USGS GNIS · Thermal springs: NOAA NCEI (1980) · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)

About this river

Lochsa River is a 34.5 mile river. Streamflow is measured at the USGS gauge Lochsa River near Lowell ID (site 13337000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1911 to 2027

Lochsa River typically runs highest in May, at a median 9,670 cfs, and lowest in September, at 450 cfs. The highest flow on record for any single day is 31,900 cfs, in 1948.

Show the numbers
Typical flow by month at Lochsa River near Lowell ID, in cfs
MonthTypical (cfs)Usual range (cfs)
January866600 to 1,320
February964675 to 1,490
March1,5601,080 to 2,230
April4,4502,865 to 6,305
May9,6707,420 to 13,200
June6,7154,810 to 10,850
July1,5401,060 to 2,160
August560457 to 712
September450362 to 584
October530401 to 797
November801549 to 1,280
December837580 to 1,310

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 99 years of record. Statistics published by the US Geological Survey for Lochsa River near Lowell ID (site 13337000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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