Rafting

Classes of Whitewater:
Class 1: Very small rough areas, requires no maneuvering (Skill Level: none)
Class 2: Some rough water, maybe some rocks, might require manuevering. (Skill Level: Basic Padding Skill)
Class 3: Whitewater, small waves, maybe a small drop, but no considerable danger. May require significant manuevering. (Skill Level: Experienced Padding Skills)
Class 4: Whitewater, medium waves, maybe rocks, maybe a considerable rock, sharp manuevering may be needed. (Skill Level: Whitewater experience)
Class 5: Whitewater, large waves, possibility of large rocks and hazards, possibility of a large drop, requires precise manuevering (Skill Level: Advansed whitewater experience)
Class 6: Class 6 rapids are considered to be so dangerous as to be effectively unnavigable on a reliably safe basis. Rafters can expect to encounter substantial whitewater, huge waves, huge rocks and hazards, and/or substantial drops that will impart severe impacts beyond the structural capacities and impact ratings of almost all rafting equipment. Traversing a Class 6 rapid has a dramatically increased likelihood of ending in serious injury or death compared to lesser classes. (Skill Level: Successful completion of a Class 6 rapid without serious injury or death is widely considered to be a matter of great luck or extreme skill)