Around here
Around Trinity River
Data Source: Recreation.gov · Source: USGS GNIS · Source: National Park Service. No claim to original U.S. Government works. · Public land: USGS PAD-US
About this river
Trinity River is a 42.3 mile river. Streamflow is measured at the USGS gauge Trinity R below Limekiln Gulch near Douglas City CA (site 11525655). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1981 to 2026
Trinity River typically runs highest in May, at a median 1,950 cfs, and lowest in November, at 328 cfs. The highest flow on record for any single day is 12,600 cfs, in 2017.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 402 | 348 to 580 |
| February | 414 | 358 to 593 |
| March | 461 | 369 to 656 |
| April | 507 | 395 to 778 |
| May | 1,950 | 730 to 3,550 |
| June | 760 | 489 to 2,060 |
| July | 551 | 446 to 896 |
| August | 461 | 439 to 519 |
| September | 465 | 397 to 577 |
| October | 341 | 325 to 399 |
| November | 328 | 306 to 353 |
| December | 351 | 327 to 459 |
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 34 years of record. Statistics published by the US Geological Survey for Trinity R below Limekiln Gulch near Douglas City CA (site 11525655). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
8 mapped launches sit in the mapped area of Trinity River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Bucktail HoleTrinity RiverPublic
- Trinity Lake National Recreation Area (Pine Cove )Lewiston LakePublic
- Pine Cove MarinaLewiston LakePublic
- Trinity Alps Marina - FairviewTrinity LakePublic
- Trinity Lake National Recreation Area (Fairview )Trinity LakePublic
- Trinity Lake National Recreation Area (Stuart's Fork )Trinity LakePublic
- Cedar Stock MarinaTrinity LakePublic
- Pinewood Cove ResortTrinity LakePublic
Made to print
Put Trinity River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Trinity River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
