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The Elk Creek Headwaters in Marble Mtn. Wilderness to Confluence with Bear Creek is a popular river run in California. The ideal streamflow range for this run is between 200 and 500 cfs, which is typically seen in the spring and early summer months.

The class rating for this run varies between Class III and Class IV, with some challenging rapids and obstacles along the way. The segment mileage for this run is approximately 13 miles, with the entire trip taking around 1-2 days to complete.

Some of the notable rapids and obstacles include Crouch Falls, which features a steep 10-foot drop, and Hell Hole, a fast and technical rapid that requires precise maneuvering. There are also several other challenging rapids, including Elk Creek Falls and Upper Elk Creek Gorge.

There are specific regulations in place for this area, including restrictions on camping and fires. Permits are required for overnight stays in the Marble Mtn. Wilderness area. Additionally, boaters are required to carry a personal floatation device and other safety equipment, as well as practice Leave No Trace principles to minimize their impact on the environment.