About this river
Tolt River is a 2.6 mile river near Best Seattle Fishing in Washington. Streamflow is measured at the USGS gauge Tolt River near Carnation, WA (site 12148500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1928 to 2026
Tolt River typically runs highest in December, at a median 658 cfs, and lowest in August, at 142 cfs. The highest flow on record for any single day is 11,400 cfs, in 1951.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 644 | 404 to 1,110 | |
| February | 557 | 392 to 878 | |
| March | 520 | 380 to 726 | |
| April | 583 | 459 to 765 | |
| May | 597 | 444 to 817 | |
| June | 453 | 309 to 689 | |
| July | 229 | 172 to 326 | |
| August | 142 | 124 to 182 | |
| September | 147 | 118 to 234 | |
| October | 276 | 179 to 481 | |
| November | 594 | 382 to 918 | |
| December | 658 | 433 to 1,030 |
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 91 years of record. Statistics published by the US Geological Survey for Tolt River near Carnation, WA (site 12148500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Tolt 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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