The ideal streamflow range for this stretch of the river is between 300 and 600 cubic feet per second (cfs), although it can handle flows up to 1,000 cfs. This section of the river is rated as Class III-IV, with some challenging rapids and obstacles that require technical skill and experience.
The segment mileage of this run is approximately 16 miles, and takes approximately 6-8 hours to complete depending on the water flow and stoppage time. Some of the notable rapids on this stretch of the river include "The Chute," "The Slot," and "Pinball," which are all technical rapids that require precise navigation. Additionally, there are some large boulders and other obstacles that can pose a danger to inexperienced boaters.
There are specific regulations in place for this area, including a permit system that limits the number of boaters on the river each day. Additionally, boaters are required to wear personal flotation devices (PFDs) and helmets, and must follow Leave No Trace principles to minimize their impact on the environment. It is important for boaters to do their research and properly prepare for this challenging run to ensure a safe and enjoyable experience.
| Last Updated | 2025-11-21 |
| River Levels | 43 cfs (2.0 ft) |
| Percent of Normal | 113% |
| Status | |
| Class Level | iii-iv |
| Elevation | ft |
| Streamflow Discharge | cfs |
| Gauge Height | ft |
| Reporting Streamgage | USGS 08254000 |
| Location | Reservations | Toilets |
|---|---|---|
Little Costilla Low Impact Camp
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Little Costilla Camp
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Ash Mountain Camp
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Cimarron Campground
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NFS Cimarron Campground
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Middle Ponil Camp
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