Big Sheep Creek is a river located in the state of Montana. The ideal streamflow range for this river is between 300 and 1,000 cfs. It is rated as a Class II-III river, meaning it is suitable for intermediate paddlers. The river stretches for approximately 21 miles, with the most popular segment being a 9.5 mile stretch from the Boundary Road access point to the confluence with Sheep Creek.
The river features a variety of rapids and obstacles, including the Entrance Rapid, a Class III rapid that requires precise maneuvering to avoid the large rocks and waves. The Meatgrinder, a Class II rapid, is another challenging section that requires careful navigation. Other notable features include the Beaver Dam Rapid and the Picket Fence Rapid.
Regulations for the area include a requirement for all boaters to wear a personal flotation device, and a limit on the number of boats allowed on the river at any given time. Additionally, camping is only allowed in designated areas, and visitors are required to pack out all trash and waste.
| Last Updated | 2025-06-28 |
| River Levels | 585 cfs (3.49 ft) |
| Percent of Normal | 95% |
| Status | |
| Class Level | ii-iii |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 06012500 |