Fort Mason Local Map

Contact Information

  • The Long Now Foundation

  • Fort Mason Center
  • Landmark Building A
  • San Francisco, CA 94123

Museum & Store Hours

  • Mon - Fri 10:30am to 5pm
  • Sat & Sun 11am to 6pm

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About Long Now

The Long Now Foundation was established in 01996* to creatively foster long-term thinking and responsibility in the framework of the next 10,000 years. More >>

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The Long Now Foundation
Fostering Long-term Responsibility
est. 01996.