Whitewater Rapids Classification
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The River Rapids Classification System
Whitewater rapids are rated on relative difficulty, using a scale of one to six. This rating is usually written in Roman numerals. Class I is the smallest of rapids and waves and Class VI the extremely difficult rapids.
The classification or rating of a river varies considerably with fluctuating water levels. Although higher water levels normally increase the difficulties of rapids, higher water occasionally covers rocks sufficiently to wash out rapids. Conversely, some rapids become more difficult at lower water levels because more rocks are exposed.
Outfitters and guides are familiar with rapids classification and are always glad to explain the rating system in more detail. For a whitewater rafting adventure of a lifetime, visit scenic Oregon and trust the expert River Guides at High Country Expeditions.
The classification or rating of a river varies considerably with fluctuating water levels. Although higher water levels normally increase the difficulties of rapids, higher water occasionally covers rocks sufficiently to wash out rapids. Conversely, some rapids become more difficult at lower water levels because more rocks are exposed.
Outfitters and guides are familiar with rapids classification and are always glad to explain the rating system in more detail. For a whitewater rafting adventure of a lifetime, visit scenic Oregon and trust the expert River Guides at High Country Expeditions.
Class I
Very easy--good for beginner
Very small rapids with low waves, slow current, no obstructions. Class II
Starting to get fun! But very, very safe.
Fairly frequent rapids of medium difficulty, few or no obstructions. Class III
Now we're talking fun! But you'll get wet....
Difficult, large, irregular waves up to four feet, numerous rapids. The course requires some maneuvering of the raft. Class IV
Experienced runners preferred
Very difficult, long, extended rapids that require careful maneuvering of the raft. Powerful irregular waves and dangerous rocks are common. The course is hard to determine and scouting is necessary. Class V
Oh, my. Here's where it really gets exciting.
Long and violent rapids. Large waves that are unavoidable and irregular. Extremely difficult and complex course. Scouting is essential. Class VI
Don't even think about it
Maximum difficulty. Nearly impossible and extremely dangerous. Class V carried to the limit of navigability. Involves risk of life. And for you whitewater fanatics....
If you can't get enough time on a wild river, you should consider river guide training! Visit the High Country Expeditions River Guide Training web page for more info on the Spring 2009 class schedule.
Some great river rafting and whitewater resources
- High Country Expeditions
- Central Oregon and Northern California's premier guided river expeditioners. You've never had this much fun!
- Kayak Mind
- This site is dedicated to whitewater kayakers from all over the world.
- Wikipedia Whitewater Rafting Page
- Wikipedia knows everything!
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