https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3398350
The famous Giant Gap run of the even more famous North Fork of the American River is one of the most challenging runs in northern California.
Cliffs tower 2,000 feet above clear green streams smashing a path through rapids choked with boulders. Heaps of mine tailings and an old cabin ruin border the course of this roller coaster ride through historic Mother Lode. Original public domain image from Flickr
Public DomainFree CCO U.S. Government image for Personal and Business use