For the first 45 years of Matterhorns operation, the requirement was only that a rider must be 3 years of age or older. Then about ten years ago the requirement was changed to 35 inches.
But with the locking lap bars and redesigned seats in the new bobsleds, the Matterhorn will have a new height requirement of 42 inches when it opens on June 15th. Thats two inches taller than Space Mountain or Splash Mountain, but the same height requirement as Goofys Sky School.
Attraction height requirements are based on a combination of factors, including the point on a seated torso at which a restraint can reasonably be assumed to contain the rider in the vehicle. With the taller height requirement, the Matterhorn Bobsleds will cease to be one of the first big-kid rides that young
Disneyland visitors have conquered since 1959. At least the lawyers and the state inspectors should be happy with it, even if the Cast Members and paying customers arent.