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Around Big Fork River
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Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Big Fork River is a 61.5 mile river near Rainy Lake Aquatics LLC in Minnesota. Streamflow is measured at the USGS gauge Big Fork River at Big Falls, MN (site 05132000). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1909 to 2026
Big Fork River typically runs highest in May, at a median 1,530 cfs, and lowest in February, at 140 cfs. The highest flow on record for any single day is 14,800 cfs, in 1950.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 180 | 115 to 270 |
| February | 140 | 85 to 215 |
| March | 160 | 95 to 260 |
| April | 1,360 | 637 to 2,620 |
| May | 1,530 | 1,050 to 2,490 |
| June | 752 | 441 to 1,365 |
| July | 380 | 217 to 804 |
| August | 206 | 118 to 457 |
| September | 319 | 150 to 605 |
| October | 445 | 226 to 873 |
| November | 459 | 257 to 741 |
| December | 265 | 168 to 429 |
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 92 years of record. Statistics published by the US Geological Survey for Big Fork River at Big Falls, MN (site 05132000). 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 Big Fork River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Big Falls (East)Big Fork RiverPublic
- Big Falls (West)Big Fork RiverPublic
- Ivan CrawfordBig Fork RiverPublic
- Reedy FlatsBig Fork RiverPublic
Made to print
Put Big Fork 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 Big Fork 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.
