Robbers Roost Canyon is a popular whitewater river run located in southeastern Utah. The ideal streamflow range for this stretch of the river is between 800 and 2500 cfs, with the best time to visit being in the spring or early summer. The segment mileage for this run is approximately 44 miles, starting at the town of Green River and ending at the confluence with the Colorado River.

The class rating for Robbers Roost Canyon varies depending on the section of the river being run. The upper section of the river is rated as Class III, while the lower section is rated as Class IV. There are several notable river rapids and obstacles along the way, including Black Powder, Needle Falls, and the Little Grand Canyon.

In terms of regulations, permits are required to run this section of the river and are issued by the Bureau of Land Management. Additionally, all boaters are required to practice Leave No Trace principles and pack out all trash and waste. There are also restrictions on camping and fires along the river.

Overall, Robbers Roost Canyon is a challenging and exciting whitewater river run with stunning scenery and unique obstacles. It is important to follow all regulations and safety guidelines to ensure a safe and enjoyable experience.