About this river
Sprague River is a 32.3 mile river near Sky Lakes Wilderness Adventures in Oregon. Streamflow is measured at the USGS gauge Sprague River near Chiloquin, OR (site 11501000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1922 to 2026
Sprague River typically runs highest in April, at a median 974 cfs, and lowest in August, at 198 cfs. The highest flow on record for any single day is 14,500 cfs, in 1965.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 360 | 296 to 504 | |
| February | 461 | 324 to 721 | |
| March | 730 | 441 to 1,100 | |
| April | 974 | 549 to 1,610 | |
| May | 961 | 516 to 1,580 | |
| June | 449 | 293 to 672 | |
| July | 222 | 166 to 299 | |
| August | 198 | 154 to 242 | |
| September | 215 | 176 to 253 | |
| October | 267 | 224 to 310 | |
| November | 303 | 253 to 351 | |
| December | 335 | 280 to 425 |
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 104 years of record. Statistics published by the US Geological Survey for Sprague River near Chiloquin, OR (site 11501000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Sprague 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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