|
Class I. |
Easy |
Waves small, passages clear; no serious
obstacles |
|
Class
II |
Medium |
Rapids of moderate difficulty with passages clear. |
|
Class
III |
Difficult |
Waves numerous, high, irregular; rocks; eddies; rapids with passages
clear though narrow, requiring expertise in maneuvering. |
|
Class IV |
Very Difficult |
Long rapids; waves powerful, irregular; dangerous rocks; boiling
eddies; powerful and precise maneuvering required. |
|
Class V |
Extremely Difficult |
Exceedingly difficult, long and violent rapids, following each other
almost without interruption; riverbed extremely obstructed; big drops; violent currents; very steep gradient. |
|
Class VI |
Unrunnable |
Don't even
try - if you fall in (hopefully with a life preserver and helmet) float
down feet first to avoid the rocks hitting your tail bone and try to get
to the side to crawl out. |
|
P |
Portage |
Boats must be carried along the river bank to get around an
unrunnable stretch of river. |
