The Confluence of Woods Canyon and Chevelon Creek to the South End of Chevelon Lake run in Arizona is a 21-mile stretch of river that is rated as Class II to III. The ideal streamflow range for this run is between 100-500 cubic feet per second (cfs), with the best conditions occurring in the spring and early summer months.

There are several notable rapids and obstacles along this stretch of river, including the "Box," a narrow canyon with Class III rapids, and "The Ledge," a steep drop with a Class II rating. It is important to note that this run requires advanced paddling skills and knowledge of whitewater safety techniques.

There are specific regulations in place for this area, including a permit requirement for overnight camping along the river. Additionally, all visitors must follow Leave No Trace principles and pack out all trash and waste. It is important to check with local authorities for any additional regulations or restrictions before embarking on this river run.