High Country Expeditions WhiteWater Rafting & Adventure Co.
South Santiam River near High Country Expeditions WhiteWater Rafting & Adventure Co.
About this river
South Santiam River is a 4.2 mile river near High Country Expeditions WhiteWater Rafting & Adventure Co. in Oregon. Streamflow is measured at the USGS gauge South Santiam River below Cascadia, OR (site 14185000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1936 to 2026
South Santiam River typically runs highest in April, at a median 1,030 cfs, and lowest in September, at 56 cfs. The highest flow on record for any single day is 23,200 cfs, in 1996.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 948 | 557 to 1,790 | |
| February | 888 | 578 to 1,510 | |
| March | 965 | 612 to 1,480 | |
| April | 1,030 | 724 to 1,390 | |
| May | 796 | 471 to 1,220 | |
| June | 369 | 236 to 627 | |
| July | 125 | 94 to 179 | |
| August | 62 | 54 to 81 | |
| September | 56 | 45 to 81 | |
| October | 95 | 58 to 255 | |
| November | 624 | 279 to 1,310 | |
| December | 979 | 512 to 1,760 |
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 90 years of record. Statistics published by the US Geological Survey for South Santiam River below Cascadia, OR (site 14185000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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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