Space Mountain is the name of a space-themed indoor roller coaster attraction located at all five Magic Kingdom

Magic Kingdom

Magic Kingdom Park is one of four theme parks at the Walt Disney World Resort located near Orlando, Florida. The first park built at the resort, Magic Kingdom opened Oct. 1, 1971. Designed and built by WED Enterprises, the park's layout and attractions are similar to Disneyland in Anaheim, California...

-style Disney Parks. Although all five versions of the attraction are different in nature, all have a similar domed exterior façade that is a landmark for the respective park.

The name can refer to (in order of opening):

• Space Mountain (Magic Kingdom)
  Space Mountain (Magic Kingdom)
  Space Mountain is an indoor outer space-themed steel roller coaster at the Magic Kingdom theme park at the Walt Disney World Resort in Lake Buena Vista, Florida. It opened on January 15, 1975 and is the original version of the iconic attraction that is included in all five of the Disney theme parks...
  
   (1975), at Walt Disney World Resort
  Walt Disney World Resort
  Walt Disney World Resort , is the world's most-visited entertaimental resort. Located in Lake Buena Vista, Florida ; approximately southwest of Orlando, Florida, United States, the resort covers an area of and includes four theme parks, two water parks, 23 on-site themed resort hotels Walt...
  
   in Orlando, Florida
• Space Mountain (Disneyland)
  Space Mountain (Disneyland)
  Space Mountain is a steel roller coaster attraction in Tomorrowland at Disneyland in Anaheim, California. After the success of the Magic Kingdom's Space Mountain, the Imagineers made plans to build another on the United States West Coast. The ride opened on May 27, 1977, ten years after the...
  
   (1977), at Disneyland Resort
  Disneyland Resort
  The Disneyland Resort is a recreational resort in Anaheim, California. The resort is owned and operated by The Walt Disney Company through its Parks and Resorts division and is home to two theme parks, three hotels and a shopping, dining, and entertainment area known as Downtown Disney.The area now...
  
   in Anaheim, California
• Space Mountain (Tokyo Disneyland)
  Space Mountain (Tokyo Disneyland)
  Space Mountain at Tokyo Disneyland opened with the park on April 15, 1983. It was the first version of Space Mountain to open concurrently with the park. As with the other Space Mountains, this version is also highly popular with young adults and roller coaster fans...
  
   (1983), at Tokyo Disney Resort
  Tokyo Disney Resort
  is a theme park and vacation resort located in Urayasu, Chiba, Japan, just east of Tokyo. It is owned and operated by the Oriental Land Company with a license from The Walt Disney Company. The resort opened on April 15, 1983, as a single theme park , but developed into a resort with two theme...
  
   in Japan
• Space Mountain: Mission 2
  Space Mountain: Mission 2
  Space Mountain: Mission 2 is a steel roller coaster-type attraction in Discoveryland at Disneyland Park in Disneyland Paris themed around a journey into space. The attraction opened on June 1, 1995, three years after the opening of the park, as a revival of interest to draw more guests to the...
  
   (1995), at Disneyland Paris in Marne-la-Vallée, France
• Space Mountain (Hong Kong Disneyland) (2005), at Hong Kong Disneyland Resort
  Hong Kong Disneyland Resort
  The Hong Kong Disneyland Resort is a resort built by the Government of Hong Kong and The Walt Disney Company in Hong Kong on reclaimed land beside Penny's Bay, at the northeastern tip of Lantau Island, approximately two kilometres from Discovery Bay...
  
  on Lantau Island, Hong Kong