Mt. San Antonio College Planetarium

  • 1100 N Grand Avenue Walnut, CA 91789
  • (909) 274-5795

Attraction Info

Observatories & Planetariums

Featuring a 35-foot dome, Mt. San Antonio College Planetarium offers visitors public showings of astronomical bodies like the solar system, nebulae, and distant galaxies. The planetarium also has displays filled with memorabilia from NASA and detailed information about the universe.


  • Our team of researchers has confirmed that this attraction is kid-friendly, free/cheap and a good date idea
  • 100% of 4 visitors to TripBuzz and other popular sites across the web rated this attraction favorably

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