GateKeeper is a steel roller coaster located at Cedar Point amusement park in Sandusky, Ohio. Designed by Bolliger & Mabillard (B&M), it was the fifth Wing Coaster installation in the world. The ride opened on May 11, 2013, on the most successful opening weekend to date in the park's history. GateKeeper featured the highest inversion in the world when it opened, with its 170-foot (52 m) Wing Over drop. It also broke several Wing Coaster records, including those for height, speed, track length, drop height and number of inversions. The coaster has a 170 ft (52 m), 40-degree inclined lift hill with a 164 ft (50 m) drop and features two support towers with keyhole elements that the trains travel through. Its maximum speed is approximately 63 mph (101 km/h).