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The Whitewater River Run Chicago Ravine to Confluence with Middle Fork Feather WSR is a popular whitewater destination in California. The ideal streamflow range for this run is between 500 and 1,500 cubic feet per second (cfs). The segment mileage for this run is approximately 8 miles, with a class rating of III-IV.

Some of the specific rapids and obstacles on this run include Chicago Ravine, which is a steep and technical section with several large drops and boulder gardens. Other notable rapids include Charlie's, Double Drop, and Pigeon Shoot. The run also features beautiful scenery, including deep canyons and rock formations.

There are several regulations that visitors to this area should be aware of. The use of motorized vehicles is prohibited within the river corridor, and camping is only allowed in designated areas. Visitors should also be aware of potential hazards, including strong currents and underwater obstacles.

Overall, the Whitewater River Run Chicago Ravine to Confluence with Middle Fork Feather WSR is a thrilling and challenging whitewater destination that offers beautiful scenery and exciting rapids. Visitors should come prepared with proper gear and knowledge of the area's regulations and potential hazards.