About this river
Fall River is a 23.8 mile river near Three Rivers Ranch in Idaho. Streamflow is measured at the USGS gauge Fall River near Chester ID (site 13049500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1920 to 2026
Fall River typically runs highest in May, at a median 2,000 cfs, and lowest in July, at 205 cfs. The highest flow on record for any single day is 8,280 cfs, in 2011.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 464 | 416 to 524 | |
| February | 451 | 411 to 509 | |
| March | 464 | 421 to 509 | |
| April | 684 | 551 to 976 | |
| May | 2,000 | 1,440 to 2,580 | |
| June | 1,870 | 1,265 to 2,545 | |
| July | 205 | 101 to 471 | |
| August | 249 | 140 to 363 | |
| September | 336 | 221 to 433 | |
| October | 460 | 386 to 550 | |
| November | 516 | 451 to 608 | |
| December | 493 | 432 to 568 |
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 69 years of record. Statistics published by the US Geological Survey for Fall River near Chester ID (site 13049500). 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 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.
