2025-12-26T10:00:00-08:00
* WHAT...Heavy snow possible. Accumulation amounts uncertain at this time but may range from around a foot at 5500 feet and up 4 feet at highest elevations. Winds could gust as high as 45 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park including Interstate 80 and Highway 50. * WHEN...From Tuesday evening through Friday morning. * IMPACTS...Dangerous travel conditions with chain controls and road closures possible. Low visibility due to combination of wind and heavy snow. * ADDITIONAL DETAILS...Snow accumulations will remain near or above pass level through Tuesday, then drop to around 5500 feet during the day Wednesday.
Summary
This section of the river is rated Class III-IV and has a total segment mileage of 10.5 miles. The ideal streamflow range for this section is between 700-2,000 cubic feet per second (cfs), which usually occurs during the spring snowmelt or after a heavy rain.
Some of the notable rapids and obstacles on this section of the river include Meatgrinder, Troublemaker, and the infamous Swimmer's Rapid, which requires expert navigation skills. It is important to note that this section of the river is recommended for experienced whitewater kayakers and rafters only.
There are specific regulations to the area, including a mandatory vehicle shuttle and camping permit. Additionally, visitors must follow Leave No Trace principles and pack out all trash and waste. It is also important to be aware of the various private landowners along the river and to respect their property and privacy.
Overall, the Cosumnes River run from Cosumnes Mine Road to the confluence with Steely Fork offers a thrilling and challenging whitewater experience for experienced paddlers. However, proper preparation and adherence to regulations are essential for a safe and enjoyable trip.
River Run Details
| Last Updated | |
| River Levels | 3 cfs (4.07 ft) |
| Percent of Normal | +100% |
| Optimal Range | 700-2000 cfs |
| Status | Too Low |
| Class Level | iii-iv |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 11431800 |
Weather Forecast
Nearby Streamflow Levels
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Teepee Point
|
||
Pine Cone - Sly Park Recreation Area
|
||
Sly Park
|
||
Wilderness Outpost Camp
|
||
Frontier Adventure
|
||
Hazel Creek - Sly Park Recreation Area
|
River Runs
-
Cosumnes Mine Road To Confluence With Steely Fork Cosumnes River
-
Confluence With Van Horn Creek To Cosumnes Mine Road
-
Confluence With Dogtown Creek To West Nf Boundary
-
Two Miles West Of Pipi Campground To Confluence With Dogtown Creek
-
One Mile East Of Pipi Campground To Two Miles West Of Pipi Campground
-
Confluence With Cat Creek To One Mile East Of Pipi Campground