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Around South Santiam River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
South Santiam River is a 62.0 mile river near High Country Expeditions in Oregon. Streamflow is measured at the USGS gauge South Santiam River near Foster, OR (site 14187200). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1974 to 2025
South Santiam River typically runs highest in December, at a median 5,140 cfs, and lowest in August, at 772 cfs. The highest flow on record for any single day is 25,700 cfs, in 1996.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 4,470 | 2,460 to 7,110 |
| February | 1,910 | 1,140 to 3,800 |
| March | 2,080 | 1,200 to 3,690 |
| April | 2,710 | 1,695 to 3,780 |
| May | 1,890 | 1,200 to 2,820 |
| June | 1,190 | 968 to 1,920 |
| July | 812 | 744 to 911 |
| August | 772 | 666 to 862 |
| September | 1,315 | 1,020 to 1,535 |
| October | 1,500 | 1,150 to 2,070 |
| November | 3,310 | 1,970 to 5,195 |
| December | 5,140 | 2,760 to 8,620 |
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 52 years of record. Statistics published by the US Geological Survey for South Santiam River near Foster, OR (site 14187200). 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 South Santiam River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Santiam Marine ParkSouth Santiam RiverPublic
- Calkins ParkFoster ReservoirPublic
- Andrew Wiley ParkSouth Santiam RiverPublic
- Gedney CreekFoster ReservoirPublic
- Sunnyside ParkFoster ReservoirPublic
- Billings ParkMiddle Santiam River - Green Peter ReservoirPublic
- Whitcomb Creek County ParkWhitcomb Creek - Green Peter ReservoirPublic
- Thistle CreekThistle Creek - Green Peter ReservoirPublic
Made to print
Put South Santiam River on your wall
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.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show South Santiam River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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