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Jon Osgood
Jon Osgood Owner

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Whitewater Rapids Rating System for River Running

California's American River Whitewater Rafting

Choosing the right trip for your party is essential to enjoying any whitewater rafting experience. With that in mind, American Whitewater employs the following basic distinction between the Forks of the American River: Class III, Class IV, and Class V. If, after reading the contents of this page, you need more information prior to booking your whitewater rafting trip, please do not hesitate to call our reservations staff at:
800-825-3205.

Whitewater Rfting Satins Cesspool American River California

  CLASS III  (3) TRIPS
  • Ages: 6 and up
  • Novice to Intermediate
  • Moderate Physical Activity

Class III
South Fork of the American: medium whitewater. Exciting and challenging but not overwhelming. Perfect for novices, youths ages 6 and up, as well as experienced rafters.

For groups with smaller children that want a family oriented trip that emphasizes the natural and scenic beauty of the South Fork of the American River, be sure to check out our special Family Whitewater Rafting Trips!

  CLASS IV  (4) TRIPS
  • Ages: 14 and up
  • Intermediate
  • Moderate Physical Activity

Great choice for adventurous kids and adults. Rapids are Class III-IV with swift currents and bigger drops. These trips require active paddling. The Middle Fork of the American is your choice for a Class IV whitewater rafting trip.

Class IV
Middle Fork of the American: medium to difficult whitewater; more action, more intricate maneuvers. Okay for novices in good physical condition and ready for a long day on the water.

  CLASS IV-V  (4-5) TRIPS
  • Ages: 14 and up
  • Advanced
  • Vigorous Physical Activity

Class V
The North Fork of the American, or the Futaleufu River. Medium to very difficult whitewater; bigger drops, constant maneuvering, lots of action. Prior rafting experience a good idea.

Best for enthusiastic rafters seeking maximum excitement. Rapids are Class V with steep, technical drops and long, fast wave trains. The North Fork of the American River is one of the premier rafting trips in the state of California.


Read the AWA's Rating Scale

The American Whitewater Association has some good information on the whitewater rating system. You can read their descriptions of some of your favorite rapids and where they fit into the Class III, Class IV, and Class V rapid descriptions.