Around here
Around Lewis River
Temperature from a 1980 federal survey. The record says nothing about access, ownership or current conditions.
Before you go
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
Lewis River is a 62.1 mile river. Streamflow is measured at the USGS gauge Lewis River at Ariel, WA (site 14220500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1909 to 2026
Lewis River typically runs highest in January, at a median 7,490 cfs, and lowest in August, at 1,230 cfs. The highest flow on record for any single day is 114,000 cfs, in 1934.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 7,490 | 4,390 to 9,810 |
| February | 6,350 | 3,880 to 8,860 |
| March | 5,680 | 3,580 to 8,100 |
| April | 4,970 | 3,125 to 6,650 |
| May | 4,420 | 2,880 to 6,380 |
| June | 2,875 | 2,305 to 4,720 |
| July | 1,750 | 1,250 to 2,110 |
| August | 1,230 | 956 to 1,490 |
| September | 1,375 | 1,065 to 2,415 |
| October | 2,640 | 1,690 to 3,520 |
| November | 5,305 | 3,700 to 7,735 |
| December | 7,100 | 4,250 to 9,580 |
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 103 years of record. Statistics published by the US Geological Survey for Lewis River at Ariel, WA (site 14220500). 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 Lewis River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Pekin FerryLewis RiverPublic
- Paradise Point State ParkNorth Fork Lewis RiverPublic
- Horseshoe Lake ParkHorseshoe LakePublic
- Cedar CreekLewis RiverPublic
- IslandLewis RiverPublic
- Goose Lake CampgroundGoose LakePublic
- MerwinNorth Fork Lewis RiverPublic
- Saddle Dam Recreation AreaLewis River - Yale ReservoirPublic
Made to print
Put Lewis 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 Lewis 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.
