The Headwaters to Walker Lake section of California's Whitewater River is a thrilling and challenging run for experienced paddlers. The ideal streamflow range for this section is between 500 and 900 cfs, with the sweet spot being around 700 cfs. This run is classified as Class IV-V, meaning it requires advanced skills and experience to navigate safely.

The segment mileage for this run is approximately 8 miles, starting at the headwaters and ending at Walker Lake. Along the way, paddlers will encounter a variety of rapids and obstacles, including the infamous "Lucifer's Falls" which is a 20-foot waterfall drop. Other notable rapids include "Pinball", "Toilet Bowl", and "Golf Course".

There are specific regulations in place for this area, including a permit requirement from the Bureau of Land Management (BLM). Paddlers must also follow Leave No Trace principles, pack out all trash and human waste, and avoid damaging vegetation and wildlife habitats.

Overall, the Headwaters to Walker Lake section of the Whitewater River offers a thrilling and rewarding experience for experienced paddlers seeking a challenge in a beautiful and remote natural setting. However, it is important to always prioritize safety and follow all regulations to minimize environmental impact and preserve the area for future generations.