Cache Creek is a popular destination for whitewater rafting enthusiasts in California. The ideal streamflow range for the Cache Creek run is between 800 and 2,000 cubic feet per second (cfs). The creek is rated as a Class III river, with some Class IV rapids along the way. The run is approximately 20 miles long, with the most popular segment being a 9-mile stretch from Highway 20 to Rumsey.

There are several notable rapids and obstacles on the Cache Creek run, including Mother (a Class IV rapid), Rock Garden (a Class III rapid with large boulders), and Grizzly Rapid (a Class III rapid with a steep and rocky drop). Other obstacles include a narrow gorge, sharp turns, and occasional low-hanging branches.

There are several regulations in place to protect the natural habitat of Cache Creek and ensure the safety of those rafting the river. All boaters are required to obtain a permit before embarking on the run and must follow all regulations outlined in the permit. Additionally, there are restrictions on the number of people allowed on each boat and designated take-out points to prevent damage to the riverbank. Boaters are also required to pack out all trash and leave the area as they found it.

Overall, Cache Creek offers a thrilling and scenic whitewater experience for intermediate to advanced boaters.