Available during the early spring, typically April and May. Starting as a mild stream, the North Fork of the American River quickly gathers momentum and enters the class IV “Chamberlin Falls Gorge,” the most difficult of all the forks of the American. Running only in the early spring with the melting snow from the Sierras, the North Fork drops through a very steep gorge between house-sized boulders and over waterfalls that reach eight feet in height. Crystal clear water and rapids that seem endless are the trademark of this technical, challenging river. This is one of the most beautiful rivers in the Sierras and should be attempted only by those with previous rafting experience and who are in good physical condition. Wet suits are a must for this trip and are included when you raft with us. We offer half-day, 1-day, and 2-day whitewater rafting trips on the North Fork of the American River.