About this river
Long Tom River is a 26.8 mile river near Oregon Paddle Sports in Oregon. Streamflow is measured at the USGS gauge Long Tom River near Noti, OR (site 14166500). 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
Long Tom River typically runs highest in February, at a median 377 cfs, and lowest in August, at 15 cfs. The highest flow on record for any single day is 5,850 cfs, in 1965.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 367 | 205 to 709 | |
| February | 377 | 230 to 642 | |
| March | 321 | 208 to 519 | |
| April | 200 | 149 to 321 | |
| May | 111 | 86 to 153 | |
| June | 60 | 51 to 74 | |
| July | 28 | 24 to 36 | |
| August | 15 | 12 to 19 | |
| September | 15 | 11 to 20 | |
| October | 21 | 16 to 32 | |
| November | 76 | 43 to 179 | |
| December | 258 | 119 to 569 |
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 Long Tom River near Noti, OR (site 14166500). 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 Long Tom 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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