Great Falls of the Potomac River is a major set of rapids located about 15 miles upstream of Washington, DC. The main Falls lines drop fifty feet in one-tenth of a mile, creating a Class V+ set of waterfalls.
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Class IV Rapids - Whitewater with Obstacles and More Technical Skills » Larger waves, narrow passages, and multiple obstacles to avoid requiring precise maneuvering to avoid upset.
Whirlpool Rapids Gorge—Niagara River, New YorkThe Niagara Gorge is a deadly section of exploratory rapids. As the water travels through, it reaches about 30 mph, creating the Class 6 Whirlpool Rapids, some of the most extreme in the entire world.
The Niagara Gorge is a deadly section of exploratory rapids. As the water travels through, it reaches about 30 mph, creating the Class 6 Whirlpool Rapids, some of the most extreme in the entire world.
These rapids are often best saved for those who have rafted before, but that doesn't necessarily rule out the first-time adventure-seekers. If you're in great shape and ready for a physical and mental challenge, you may be ready for Class IV rapids rafting trip on your first river expedition.
While most people can raft Class 4 rapids for their first time, there are several requirements. The minimum age to raft Class 4 rivers, depending on the river and company, is 12-14 years old. Many Class 4s recommend that you are in good physical condition, on the adventurous side, and know how to swim.
The Falls themselves and the immediate area below are certainly a Class VI: unrunnable. The navigable portions of the Upper Great Gorge (below the Falls, where the Maid of the Mist boats run) are roughly a Class IV.
Class VI: Extreme and Exploratory RapidsThe consequences of errors are very severe and rescue may be impossible. Only teams of rapids' experts should attempt these rapids at favorable water levels, after close personal inspection and taking all precautions.
The Grand Canyon stretch of the Colorado River often uses a different rating system. The Class 1-10 system that is used in the Grand Canyon roughly parallels Classes I-V on the International Scale of River Difficulty (ISRD).
Located near North Carolina's southern boundary, the Green River (a French Broad tributary) is 60 miles long. It's highly regarded for whitewater sports, with great runs for novices (Class II-III) and experienced rafters (Class V).
Upper Tuolumne River (Cherry Creek), CaliforniaCherry Creek is the gold standard for Class V and is the hardest section of commercially rafted whitewater in the United States. Rapids like Mushroom (V), Toadstool (V), and Lewis's Leap (V) challenge even the most experienced river guides.
William J.Kendall, a policeman from Boston Mass. swam the Whirlpool Rapids on August 22, 1886. He wore only his swimming trunks and a cork life preserver.
Grand Canyon rapids are rated on a 1-10 scale. Flat water is 1 while tough rapids like Lava Falls or Crystal can be rated 10 at certain water levels. A 10 rating in the canyon is roughly equivalent to a Class V in the standard river scale.