The Whitewater River Run on the Arkansas River Segment 1 in Colorado is considered an ideal location for whitewater rafting and kayaking. The ideal streamflow range for this segment is between 800-3,000 cfs, which is typically seen during the months of May through August. This segment is rated as a Class III-IV rapids, making it suitable for experienced paddlers.

The segment has a total mileage of 9.5 miles, starting from Fisherman's Bridge and ending at Stone Bridge. The stretch includes several notable rapids such as Zoom Flume, Pine Creek, and The Numbers. Each rapid presents its own set of challenges, including large waves, tight chutes, and technical drops.

In terms of regulations, the area is managed by the Bureau of Land Management and has specific rules and guidelines in place to protect the natural resources and provide a safe experience for visitors. All individuals are required to wear a personal flotation device, and commercial rafting companies operating in the area must hold valid permits and follow safety protocols.

Overall, the Whitewater River Run on the Arkansas River Segment 1 provides an exciting and challenging whitewater experience for experienced paddlers, with specific regulations in place to ensure the safety of all individuals and protect the natural environment.