Around here
Around Williamson River
Temperature from a 1980 federal survey. The record says nothing about access, ownership or current conditions.
Data Source: Recreation.gov · Source: USGS GNIS · Thermal springs: NOAA NCEI (1980) · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)
About this river
Williamson River is a 62.1 mile river. Streamflow is measured at the USGS gauge Williamson River near Klamath Agency, OR (site 11493500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1955 to 2026
Williamson River typically runs highest in April, at a median 278 cfs, and lowest in July, at 0.0 cfs. The highest flow on record for any single day is 1,250 cfs, in 1958.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 103 | 0.0 to 246 |
| February | 135 | 0.0 to 323 |
| March | 267 | 76 to 466 |
| April | 278 | 105 to 559 |
| May | 142 | 18 to 279 |
| June | 47 | 1.4 to 105 |
| July | 0.0 | 0.0 to 24 |
| August | 0.0 | 0.0 to 1.1 |
| September | 0.0 | 0.0 to 0.2 |
| October | 0.0 | 0.0 to 14 |
| November | 0.0 | 0.0 to 143 |
| December | 105 | 0.0 to 256 |
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 69 years of record. Statistics published by the US Geological Survey for Williamson River near Klamath Agency, OR (site 11493500). 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 Williamson River. Ramp data comes from the USGS national boat-ramp inventory.
- Waterwheel CampgroundWilliamson RiverRestricted
- Henzel ParkAgency LakePublic
- Agency Lake ResortAgency LakeRestricted
- Chiloquin AccessWilliamson RiverPublic
- Petric ParkAgency LakePublic
Made to print
Put Williamson 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 Williamson 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.
