Avalanche was a wooden roller coaster located at Timber Falls Adventure Park in Wisconsin Dells, Wisconsin, United States.
Upon opening, it was the tallest, fastest, and longest coaster in Wisconsin, as well as billed as having the steepest drop on a wooden roller coaster in North America.
Its layout featured twelve drops, providing riders with airtime, as well as turns banked up to an angle of 70 degrees.
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