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Santiam River in Oregon

River12.1 mi
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Around Santiam River

Ankeny National Wildlife Refuge3.3 mi2 mi

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

About this river

Santiam River is a 12.1 mile river. Streamflow is measured at the USGS gauge Santiam River at Jefferson, OR (site 14189000). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1908 to 2026

Santiam River typically runs highest in December, at a median 11,700 cfs, and lowest in August, at 1,340 cfs. The highest flow on record for any single day is 143,000 cfs, in 1965.

Show the numbers
Typical flow by month at Santiam River at Jefferson, OR, in cfs
MonthTypical (cfs)Usual range (cfs)
January11,5006,490 to 19,600
February8,0505,150 to 14,400
March7,4605,060 to 11,700
April7,6055,490 to 11,100
May6,5504,380 to 9,260
June3,5952,625 to 5,445
July1,7201,370 to 2,110
August1,340920 to 1,660
September2,3951,370 to 3,025
October3,6602,440 to 5,050
November7,7455,170 to 13,300
December11,7006,670 to 19,500

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 94 years of record. Statistics published by the US Geological Survey for Santiam River at Jefferson, OR (site 14189000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

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

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This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

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