About this river
Tillamook River is a 3.6 mile river near Garibaldi Marina in Oregon. Streamflow is measured at the USGS gauge Trask River above Cedar Creek, near Tillamook, OR (site 14302480). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1997 to 2026
Tillamook River typically runs highest in January, at a median 1,520 cfs, and lowest in September, at 80 cfs. The highest flow on record for any single day is 17,300 cfs, in 2000.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 1,520 | 936 to 2,630 | |
| February | 1,170 | 719 to 1,900 | |
| March | 1,280 | 850 to 2,040 | |
| April | 874 | 604 to 1,330 | |
| May | 470 | 282 to 750 | |
| June | 304 | 187 to 487 | |
| July | 157 | 106 to 189 | |
| August | 97 | 75 to 107 | |
| September | 80 | 66 to 100 | |
| October | 159 | 100 to 322 | |
| November | 897 | 462 to 2,020 | |
| December | 1,480 | 831 to 2,880 |
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 29 years of record. Statistics published by the US Geological Survey for Trask River above Cedar Creek, near Tillamook, OR (site 14302480). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
5 mapped launches sit in the mapped area of Tillamook River. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Tillamook 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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