Moderate, irregular waves that may be difficult to avoid and require precise maneuvering.
Intense, powerful rapids with constricted passages and turbulent water. White Water
Straightforward rapids with wide, clear channels and occasional maneuvering. Moderate, irregular waves that may be difficult to
Rapids are classified into six grades based on technical difficulty and potential danger: White Water
Virtually impassable rapids that are rarely attempted due to severe danger. A Brief History