What does the rapids classification I-VI mean?
The international scale of river difficulty is based on a I-VI rating. Orange Torpedo Trips does not operate on rapids rated higher than class IV. The difficulty is based on the length of the rapid, the size of the hydraulics, the risk of swimming in the rapid, the remoteness, potential difficulty of rescue, and general technicality and difficulty. Class I: Small waves, passage clear, no obstacles. Class II: Rapids of moderate difficulty with clear passages; appropriate river equipment recommended. Class III: Numerous larger waves. Clear but generally narrower path to follow with some rocks, eddies and/or irregular waves and holes to navigate. Class IV: Generally longer with more large irregular waves and powerful hydraulics. Require following a specific path through the rapids in avoidance of rocks, powerful hydraulics and other obstacles. Class V: Require scouting and precise boat handling during difficult maneuvers to avoid hazards and obstacles. This is more difficult and hazardous
