Montana Whitewater Rafting & Zipline - Gallatin
Gallatin River near Montana Whitewater Rafting & Zipline - Gallatin
About this river
Gallatin River is a 30.9 mile river near Montana Whitewater Rafting & Zipline - Gallatin in Montana. Streamflow is measured at the USGS gauge Gallatin River above Deer Creek, near Big Sky, MT (site 06043120). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2019 to 2026
Gallatin River typically runs highest in June, at a median 1,725 cfs, and lowest in February, at 208 cfs. The highest flow on record for any single day is 5,640 cfs, in 2022.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 215 | 186 to 236 | |
| February | 208 | 190 to 227 | |
| March | 220 | 203 to 235 | |
| April | 295 | 251 to 397 | |
| May | 1,200 | 930 to 1,460 | |
| June | 1,725 | 1,415 to 2,440 | |
| July | 655 | 436 to 799 | |
| August | 406 | 323 to 433 | |
| September | 313 | 274 to 358 | |
| October | 289 | 275 to 341 | |
| November | 271 | 237 to 288 | |
| December | 223 | 198 to 246 |
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 7 years of record. Statistics published by the US Geological Survey for Gallatin River above Deer Creek, near Big Sky, MT (site 06043120). 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 Gallatin 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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