The Whitewater River Run Trailhead to Confluence with Greys River is located in the state of Wyoming and is a popular spot for whitewater enthusiasts. The ideal streamflow range for this section is between 500-2000 cfs, with the peak season being late May to early July. The class rating for this section is considered to be class III-IV, with some challenging rapids and obstacles that require advanced skills and experience.

The segment mileage for this section is approximately 8 miles, starting at the Whitewater River Trailhead and ending at the confluence with Greys River. Some of the notable rapids and obstacles along this stretch include the Rock Garden, S-Turn, and the Narrows. These rapids require specific techniques and maneuvers to navigate safely.

It is essential to note that there are specific regulations to the area that need to be followed. The use of personal flotation devices (PFDs) is mandatory for all people in and around the river. Additionally, there are restrictions on the use of motorized boats and fishing in some areas. Visitors are encouraged to familiarize themselves with these regulations before embarking on their trip.

In conclusion, the Whitewater River Run Trailhead to Confluence with Greys River is a challenging and exciting whitewater adventure that requires advanced skills and experience. Visitors should ensure they have the necessary equipment, including PFDs, and adhere to all regulations to ensure a safe and enjoyable trip.