In 1975 this roller coaster opened as the Corkscrew at Knott's Berry Farm and became the world's first modern roller coaster to go upside down. Playing an important role in roller coaster history, Gravity Defying Corkscrew, continues to thrill guests at Idaho's Silverwood Theme Park.
|1990||Steel||Corkscrew||Arrow Dynamics, Karl Bacon|
Inversions: Double Corkscrew
Train has six cars with two rows each, seating two abreast per row.
Height requirement: Riders must be at least 48 inches tall
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