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The Whitewater River Run Arkansas River Segment 2 is a popular destination for whitewater enthusiasts in Colorado. The ideal streamflow range for this segment is between 800 - 2,000 cfs. The segment is rated as Class III-IV rapids, making it suitable for intermediate to advanced paddlers.

This segment covers 13 miles of the Arkansas River, starting at the Railroad Bridge in Howard and ending at the Texas Creek Bridge. There are several notable rapids and obstacles along the way, including the Pine Creek Rapids, which is a long and technical section of Class IV rapids. Other notable obstacles include the Three Sisters, a series of three large boulders in the middle of the river, and the Spike Buck Rapid, which features a large wave followed by a rocky drop.

There are specific regulations to be aware of when paddling this segment of the Arkansas River. The Bighorn Sheep Canyon section, which includes Segment 2, is designated as a "Wildlife Protection Area" by the Colorado Parks and Wildlife Commission. As a result, paddlers are not allowed to stop on the shoreline or disturb wildlife in the area.

Overall, the Whitewater River Run Arkansas River Segment 2 is a challenging and exciting whitewater destination in Colorado. Paddlers should be experienced and familiar with Class III-IV rapids, and should be aware of specific regulations in the area.