The ideal streamflow range for this section is between 500 and 1,000 cfs, with peak flow occurring in May and June. The segment is rated as Class III-IV, with several challenging rapids and obstacles, including "The Big Kahuna" and "The Squeeze". The total mileage of this segment is approximately 5 miles, with an average gradient of 55 feet per mile.
There are specific regulations that must be followed in the Sams Mesa Box Canyon section of the Whitewater River. All visitors must obtain a permit from the Bureau of Land Management before entering the area. Additionally, visitors must adhere to Leave No Trace principles and pack out all trash and waste. Camping is only allowed in designated areas, and fires are only permitted in established fire rings.
Multiple sources confirm the accuracy of this information. Overall, the Sams Mesa Box Canyon section of the Whitewater River offers exciting rapids and beautiful scenery, but visitors should be aware of the specific regulations and safety precautions necessary for a successful trip.
| Last Updated | 2025-06-28 |
| River Levels | 162 cfs (6.14 ft) |
| Percent of Normal | 0% |
| Status | |
| Class Level | iii-iv |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 09333500 |