Fast-moving water with small riffles and few obstructions.
Extremely long, violent rapids with large, unavoidable waves and significant hazards. White Water
Rapids are classified into six grades based on technical difficulty and potential danger: Fast-moving water with small riffles and few obstructions
The evolution of white water navigation has moved from essential survival to a globally popular recreational sport: What Is Whitewater Rafting violent rapids with large
Virtually impassable rapids that are rarely attempted due to severe danger. A Brief History