The Whitewater River Run from Headwaters to Confluence With New River in California is a popular destination for river rafting enthusiasts. The ideal streamflow range for this section of the river is between 700-2,000 cubic feet per second (cfs), which typically occurs during the spring when snowmelt is at its peak. The class rating for this section of the river ranges from Class III to IV, depending on the water level.

The segment mileage for the Whitewater River Run from Headwaters to Confluence With New River is approximately 12 miles. This section of the river features several thrilling rapids and obstacles, including the "Bloody Mary" rapid, "Goat Trail" rapid, and "Surprise" rapid. These rapids offer a fun and challenging experience for experienced rafters.

There are specific regulations to the area that should be followed, including wearing proper safety gear such as helmets and life jackets, and avoiding alcohol consumption before and during the river run. It is also important to follow Leave No Trace principles and pack out all trash and waste.

Overall, the Whitewater River Run from Headwaters to Confluence With New River in California offers a thrilling and exciting experience for intermediate and advanced river rafters. It is important to follow safety regulations and respect the environment to ensure a safe and sustainable experience for all.