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Coordinates 34°48′16″N 135°32′09″E / 34.804384°N 135.535861°E / 34.804384; 135.535861Coordinates: 34°48′16″N 135°32′09″E / 34.804384°N 135.535861°E / 34.804384; 135.535861
Status Removed
Opening date 1970 (1970)
Closing date December 9, 2007 (2007-12-09)
General statistics
Type Steel – Dueling
Manufacturer Sansei Technologies
Lift/launch system Two chain lift hills
Height 28 m (92 ft)
Length 2,340 m (7,680 ft)
Speed 72 km/h (45 mph)
Inversions 0
Duration 6:33
Daidarasaurus at RCDB
Pictures of Daidarasaurus at RCDB

Daidarasaurus was a steel roller coaster located at Expoland in tSuita, Osaka Japan. According to some sources (i.e. the roller coaster database), Daidarasaurus was the second longest roller coaster in the world, behind Steel Dragon 2000. For reasons explained below, other sources (i.e. the Guinness Book of World Records) did not recognize Daidarasaurus's claim as longest roller coaster in the world from 1999 to 2000. Daidarasaurus has now been demolished as Expoland has now permanently closed.

Daidarasaurus was formerly a dual-track racing coaster. In 1999 the two tracks were combined to create one exceptionally long track with two lift hills. This also made it a Möbius Loop. This effectively doubled the length of the ride. What remains in dispute is whether this actually qualified as one long coaster or back-to-back rides on the same coaster.


Preceded by
World's Longest Roller Coaster
1999–August 2000
Succeeded by
Steel Dragon 2000