Leviathan ( liv-EYE-ə-thən) is a steel roller coaster at Canada's Wonderland in Vaughan, Ontario, Canada. Located in the Medieval Faire section of the park, the Hyper Coaster model from Swiss firm Bolliger & Mabillard is the first roller coaster manufactured by the company to exceed a height of 91.5 metres (300 ft), putting it in a class of roller coasters commonly referred to as giga. At 1,672 metres (5,486 ft) long, 93.3 metres (306 ft) tall, and with a top speed of 148 kilometres per hour (92 mph), Leviathan is the tallest and fastest roller coaster in Canada, taking the records previously held by Behemoth on the opposite side of the park. As of July 2020, Leviathan is ranked as the seventh-tallest roller coaster in the world and the fourth-tallest traditional lift-style coaster in the world.Leviathan was the 16th roller coaster to be built at Canada's Wonderland. The ride was announced in August 2011, its track was completed in February 2012, and the first test run was completed on 15 March 2012. The coaster opened to season pass holders on 27 April 2012, and to the general public on 6 May 2012.