Williamson River in Oregon
Around here
Around Williamson River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Williamson River is a 23.2 mile river. Streamflow is measured at the USGS gauge Williamson River below Sprague River near Chiloquin,or (site 11502500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1918 to 2026
Williamson River typically runs highest in April, at a median 1,585 cfs, and lowest in August, at 506 cfs. The highest flow on record for any single day is 16,000 cfs, in 1997.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 786 | 630 to 1,010 |
| February | 983 | 692 to 1,370 |
| March | 1,290 | 920 to 1,840 |
| April | 1,585 | 1,010 to 2,425 |
| May | 1,430 | 869 to 2,150 |
| June | 780 | 589 to 1,075 |
| July | 540 | 476 to 610 |
| August | 506 | 464 to 562 |
| September | 530 | 487 to 596 |
| October | 595 | 555 to 651 |
| November | 650 | 590 to 777 |
| December | 740 | 609 to 978 |
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 107 years of record. Statistics published by the US Geological Survey for Williamson River below Sprague River near Chiloquin,or (site 11502500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
2 mapped launches sit in the mapped area of Williamson 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 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.
