Around here
Around Yaak River
Source: Recreation Sites and Trails BC, Open Government Licence (British Columbia) · Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Yaak River is a 53.9 mile river. Streamflow is measured at the USGS gauge Yaak River near Troy MT (site 12304500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1957 to 2025
Yaak River typically runs highest in May, at a median 2,920 cfs, and lowest in September, at 135 cfs. The highest flow on record for any single day is 11,600 cfs, in 1997.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 201 | 140 to 310 |
| February | 240 | 149 to 376 |
| March | 405 | 253 to 781 |
| April | 1,470 | 948 to 2,370 |
| May | 2,920 | 2,060 to 4,230 |
| June | 1,420 | 903 to 2,485 |
| July | 369 | 257 to 522 |
| August | 162 | 117 to 221 |
| September | 135 | 105 to 171 |
| October | 147 | 117 to 196 |
| November | 198 | 144 to 317 |
| December | 196 | 140 to 351 |
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 Yaak River near Troy MT (site 12304500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Yaak 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 Yaak 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.
