Around here
Around Chewuch River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Chewuch River is a 42.8 mile river. Streamflow is measured at the USGS gauge Chewuch River at Winthrop, WA (site 12448000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1992 to 2026
Chewuch River typically runs highest in May, at a median 1,720 cfs, and lowest in September, at 64 cfs. The highest flow on record for any single day is 7,380 cfs, in 2018.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 76 | 60 to 94 |
| February | 81 | 66 to 100 |
| March | 106 | 76 to 152 |
| April | 317 | 231 to 617 |
| May | 1,720 | 1,030 to 2,460 |
| June | 908 | 606 to 1,790 |
| July | 275 | 188 to 469 |
| August | 111 | 63 to 141 |
| September | 64 | 46 to 94 |
| October | 93 | 71 to 128 |
| November | 106 | 80 to 146 |
| December | 86 | 66 to 108 |
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 Chewuch River at Winthrop, WA (site 12448000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 mapped launches sit in the mapped area of Chewuch River. Ramp data comes from the USGS national boat-ramp inventory.
- Pearrygin Lake State ParkPearrygin LakePublic
- Jeffery's Silverline ResortPearrygin LakeRestricted
- Pearrygin LakePearrygin LakePublic
Made to print
Put Chewuch 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 Chewuch 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.






