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River/Rapids Class Rating System
This is strictly a subjective scale. You can characterize a rapid by class or give a general class to a whole river even though it has several different classes of rapids within it. The class of a rapid or river can change at different water levels. The temperature of the water, the air temperature, the remoteness of the river, and the difficulty of a rescue can all influence the rapid's class. Class I - Easy. Small riffles. No significant waves or obstacles. Class II - Novice. Moderate rapids with regular waves, small drops, clear passages and wide channels. Occasional maneuvering may be required. Class III - Intermediate. Moderately difficult rapids with larger irregular waves, often narrow channels. Complex maneuvering to avoid obstacles required. Class IV - Advanced. Intense, powerful rapids requiring precise maneuvering in fast, turbulent water. Complex channels with many significant obstacles to be avoided. Class V - Expert. Extremely long violent or obstructed rapids, often following each other almost without interruption. Drops may have large, unavoidable waves and holes or steep, congested chutes with difficult routes. Steep gradient. Class VI - unrunnable Call now for more information 800-332-7238 |
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Four Corners
Rafting |
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