Around here
Around Fall River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Fall River is a 55.8 mile river near Colter Bay Marina & Boat Launch in Wyoming. Streamflow is measured at the USGS gauge Fall River near Ashton ID (site 13047600). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1994 to 2026
Fall River typically runs highest in May, at a median 2,110 cfs, and lowest in February, at 440 cfs. The highest flow on record for any single day is 5,990 cfs, in 2011.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 458 | 417 to 500 |
| February | 440 | 403 to 488 |
| March | 457 | 413 to 492 |
| April | 688 | 542 to 956 |
| May | 2,110 | 1,670 to 2,660 |
| June | 1,935 | 1,220 to 2,535 |
| July | 559 | 455 to 893 |
| August | 547 | 443 to 656 |
| September | 527 | 443 to 618 |
| October | 536 | 478 to 601 |
| November | 532 | 477 to 598 |
| December | 482 | 440 to 547 |
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 32 years of record. Statistics published by the US Geological Survey for Fall River near Ashton ID (site 13047600). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
4 mapped launches sit in the mapped area of Fall River. Ramp data comes from the USGS national boat-ramp inventory.
- Vernon BridgeHenrys ForkPublic
- Ora BridgeHenrys ForkPublic
- Stone BridgeHenrys ForkRestricted
- Ashton ReservoirHenrys ForkPublic
Made to print
Put Fall 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 Fall 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.






