Its ideal streamflow range is between 400 and 2000 cubic feet per second (cfs), which typically occurs in the spring and early summer months. The river is rated as a Class III to IV, with some sections reaching Class V during high water. The segment mileage for the river run varies depending on the put-in and take-out locations, but the most popular section is a 13-mile stretch from the town of Philipsburg to the Johnsrud Park campground.
Rock Creek has a variety of rapids and obstacles that make it an exciting and challenging run for experienced kayakers and rafters. Some of the most notable rapids include Triple Bridges, Fang, and the Narrows. The river also has several large boulders and fallen trees that create additional obstacles and hazards.
To ensure the safety of all river users, there are specific regulations in place for the Rock Creek area. Floaters are required to have a Montana fishing license, and boaters must wear personal flotation devices at all times. Additionally, commercial outfitters must obtain a permit from the Montana Department of Fish, Wildlife, and Parks to operate on the river.
Overall, Rock Creek is a popular and challenging whitewater river run in Montana, with an ideal streamflow range of 400-2000 cfs, a Class III to IV rating, and a variety of rapids and obstacles. It is important to follow specific regulations to ensure the safety of all river users.
| Last Updated | 2025-06-28 |
| River Levels | 485 cfs (3.01 ft) |
| Percent of Normal | 51% |
| Status | |
| Class Level | iii-v |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 12332000 |
| Location | Reservations | Toilets |
|---|---|---|
Stony Cabin
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Squaw Rock
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Stony Campground
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Cy's Place
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Morrison Camp
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Bighorn Campground
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