Around here
Around East Fork Bitterroot River
Temperature from a 1980 federal survey. The record says nothing about access, ownership or current conditions.
Data Source: Recreation.gov · Source: USGS GNIS · Thermal springs: NOAA NCEI (1980) · Source: National Park Service. No claim to original U.S. Government works. · 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
East Fork Bitterroot River is a 39.0 mile river. Streamflow is measured at the USGS gauge Bitterroot River near Darby MT (site 12344000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1937 to 2026
East Fork Bitterroot River typically runs highest in June, at a median 2,715 cfs, and lowest in January, at 229 cfs. The highest flow on record for any single day is 11,000 cfs, in 1948.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 229 | 188 to 283 |
| February | 236 | 197 to 297 |
| March | 293 | 238 to 412 |
| April | 836 | 476 to 1,245 |
| May | 2,690 | 1,750 to 4,060 |
| June | 2,715 | 1,730 to 3,850 |
| July | 797 | 531 to 1,110 |
| August | 425 | 336 to 502 |
| September | 327 | 269 to 423 |
| October | 289 | 223 to 368 |
| November | 274 | 232 to 342 |
| December | 239 | 191 to 294 |
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 88 years of record. Statistics published by the US Geological Survey for Bitterroot River near Darby MT (site 12344000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put East Fork Bitterroot 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 East Fork Bitterroot 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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