River
Grades
Grade
1-2
Easy flat water, little current and mild waves
Grade
3
Moderate waves, swift current and narrow channels. Paddling is
mostly physical.
Grade
4-5
Difficult powerful water, constricted channels, steep drops and
the possibility of overturning a raft. Padsdling is challenging
and at times strenous.
Grade
6
Very Difficult most challenging !