The Whitewater River Run from Opal Lake to Confluence with Battle Axe Creek in Oregon is a popular spot for kayaking, canoeing, and rafting. The ideal streamflow range for this run is between 800-1,200 cfs. The class rating for this run is Class III-IV, which means it is suitable for intermediate to advanced paddlers. The segment mileage for this run is approximately 4 miles.

There are specific river rapids and obstacles that paddlers should be aware of, including Devil's Hole, Jaws, and the S-Turns. Devil's Hole is a Class IV rapid that features a large boulder in the middle of the river. Jaws is a Class III+ rapid with a large hole that can flip rafts. The S-Turns is a series of Class III rapids that require precise navigation.

There are also specific regulations to the area that paddlers should be aware of. The use of motorized boats is prohibited on this stretch of the river, and all boaters are required to wear personal flotation devices. Additionally, camping is not permitted along the riverbank, and all trash must be properly disposed of.

In conclusion, the Whitewater River Run from Opal Lake to Confluence with Battle Axe Creek in Oregon is a thrilling adventure for intermediate to advanced paddlers. The ideal streamflow range, class rating, segment mileage, specific river rapids/obstacles, and specific regulations to the area make it a safe and enjoyable experience for those who are prepared and properly equipped.