About this river
Sandy River is an 11.6 mile river near Clackamas River Outfitters in Oregon. Streamflow is measured at the USGS gauge Sandy River below Bull Run River, near Bull Run, OR (site 14142500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1911 to 2025
Sandy River typically runs highest in April, at a median 2,850 cfs, and lowest in September, at 409 cfs. The highest flow on record for any single day is 57,800 cfs, in 1965.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 2,580 | 1,630 to 4,480 | |
| February | 2,320 | 1,660 to 3,740 | |
| March | 2,530 | 1,760 to 3,620 | |
| April | 2,850 | 2,175 to 3,825 | |
| May | 2,480 | 1,700 to 3,510 | |
| June | 1,435 | 1,020 to 2,215 | |
| July | 695 | 580 to 856 | |
| August | 451 | 392 to 529 | |
| September | 409 | 339 to 540 | |
| October | 554 | 385 to 1,020 | |
| November | 2,055 | 1,105 to 3,695 | |
| December | 2,440 | 1,540 to 4,490 |
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 81 years of record. Statistics published by the US Geological Survey for Sandy River below Bull Run River, near Bull Run, OR (site 14142500). 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 Sandy 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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