The Whitewater River Run Confluence with Middle Fork Tuolumne River to Confluence with Tuolumne River in California is a popular white water rafting destination. The ideal streamflow range for this section of the river is between 1,200 to 2,000 cubic feet per second (cfs), although it can be run at flows up to 4,000 cfs. The class rating for this section of the river is class IV-V, making it a challenging and technical run. The segment mileage is approximately 16 miles and includes several notable rapids and obstacles, such as Hell Hole, Rams Head, and Pinball.

There are specific regulations to the area that visitors must abide by, including the requirement to wear a personal flotation device (PFD) at all times while on the river. Additionally, visitors must follow all Leave No Trace principles and be respectful of the natural environment. It is also important to note that permits are required to access this section of the river and may be limited during peak season.

In summary, the Whitewater River Run Confluence with Middle Fork Tuolumne River to Confluence with Tuolumne River in California is a challenging and technical run with an ideal streamflow range of 1,200 to 2,000 cfs. The class rating is IV-V, and the segment mileage is approximately 16 miles. Visitors must follow specific regulations and obtain permits to access the area.