2025-12-07T08:00:00-07:00
...SERIES OF WINTER STORMS TO AFFECT THE MOUNTAINS AND PASSES THROUGH THE SATURDAY... .The first round of heavy snow is expected to last through early Friday morning and will primarily focus on the mountains of central and southwest Montana with 4 to 8 inches possible along the mountain passes including Bozeman and Kings Hill Pass. A period of lighter snowfall is expected Friday morning and afternoon. The second and more widespread round of heavier snowfall is expected to arrive Friday evening and continue into Saturday evening with an additional 6 to 12 inches possible over the passes and higher amounts above pass level. * WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 55 mph. * WHERE...The Continental Divide along the Rocky Mountain Front. * WHEN...From Friday afternoon through Sunday morning. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Strong winds could cause tree damage.
Summary
4, T18N, R10W to North Fork Sun River, Sec. 26, T22N, R10W in Montana is a challenging and exciting experience for experienced kayakers and rafters. The ideal streamflow range for this river run is between 1,000 and 3,000 cfs. The class rating for this run ranges from Class III to Class IV, depending on the section of the river.
The segment mileage for this run is approximately 23 miles, with several notable rapids and obstacles. The first few miles of the run are relatively calm, but as the river narrows and the gradient increases, the rapids become more challenging. One of the most notable obstacles is the "Boulder Garden," a section of the river with large boulders and technical rapids that require precise navigation.
There are specific regulations that apply to this area, including a permit requirement for commercial outfitters and a requirement for all boaters to wear personal flotation devices. Additionally, there are restrictions on camping and campfires along the river, as well as regulations regarding the use of motorized equipment.
Overall, the whitewater river run from Headwaters to North Fork Sun River is a thrilling and challenging experience for experienced boaters. However, it is important to be aware of the specific regulations and guidelines for the area to ensure a safe and enjoyable trip.
River Run Details
| Last Updated | 2025-12-01 |
| River Levels | 1560 cfs (4.07 ft) |
| Percent of Normal | 648% |
| Status | |
| Class Level | iii-iv |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 06079000 |
Weather Forecast
Nearby Streamflow Levels
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Mortimer Gulch Campground
|
||
Mortimer Gulch
|
||
Home Gulch
|
||
Home Gulch Campground
|
||
Benchmark Campground
|
||
Benchmark
|
Wilderness Boundary To South Fork Sun River, Sec. 26, T22N, R10W
Headwaters, Sec. 4, T18N, R10W To North Fork Sun River, Sec. 26, T22N, R10W
Fool Creek, Sec. 24, T25N, R11W To Wilderness Boundary