The Ten Mile Creek Headwaters to Confluence with Clear Creek Whitewater River Run in California covers a section of 4.2 miles and has a class rating of III to IV. The ideal streamflow range for the run is between 400 and 1200 cfs. The section is known for its technical rapids, steep drops, and narrow chutes, making it a challenge for experienced kayakers and rafters. The run includes rapids such as Upper and Lower Garlic Falls, Gash Rapid, and Triple Threat.

The Ten Mile Creek Headwaters to Confluence with Clear Creek section is located in a remote area of Shasta County and runs through private property. Access to the river is limited and only allowed through the Shasta-Trinity National Forest. It is important to check with the local authorities for any specific regulations before planning a trip to this section.

Overall, this section of Ten Mile Creek offers an adventurous, technical whitewater experience for experienced paddlers. It is important to note that the rapids in this section can be dangerous and should only be attempted by those with advanced skills and proper equipment.