Rafting is a recreational activity utilizing a raft to navigate a river or other body of water. Usually it is done on whitewater of different degrees of difficulty, in order to thrill and excite the raft passengers. The development of this activity as a leisure sport has become popular since the mid 1980's.
The type of raft used nowadays for recreational rafting is almost exclusively an inflatable boat. It consists of very durable, multi-layered rubberized fabrics with several independent air chambers. Its length varies between 3.5 m (11 ft) and 6 m (20 ft), the width between 1.8 m (6 ft) and 2.5 m (8 ft). Rafts come in a few different forms. In Europe the most common is the symmetrical raft steered with a paddle at the stern. Other types are the asymmetrical, rudder-controlled raft and the symmetrical raft with central helm (oars). Rafts are usually propelled with ordinary paddles and typically hold 4 to 12 persons.
Bill Dvorak was instrumental in establishing the sport of rafting.
Yet as expertise increases, and equipment becomes more durable, the classification changes. The Colorado River in the Grand Canyon has swallowed whole expeditions in the past, leaving only fragments of boats, yet it is now run by commercial outfitters hundreds of times each year, with relatively untrained passengers. (Source: California State Parks)
Conflicts have also arisen with environmentalists, when rafting operators, often in co-operation with municipalities and tourism associations, alter the riverbed by dredging and/or blasting in order to eliminate safety risks or create more interesting whitewater features in the river. Incongruously these measures usually are only temporary, since a riverbed is subject to permanent changes.
On the other hand, rafting contributes to the economy of many alpine regions which in turn may contribute to the protection of rivers from hydro-electric power generation and other development.
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