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Biosphere 2 - University of Arizona

Located in: Pinal County


32540 S. Biosphere Rd.
Oracle, AZ 85623
United States

Phone: 520-838-6200

Fax: 520-838-6162

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  • Green Business
  • Mexico Ready

There's only one Biosphere 2! Experience Biosphere 2 and find out for yourself why Time Life Books named it “One of the 50 must-see wonders of the world!” Visitors from around the world journey here to explore Earth's largest living research center studying the environment and the future of our planet. A uniquely built indoor trail system allows visitors to explore the tropical rainforest, savanna, coastal fog desert and million-gallon ocean -- all within Biosphere 2’s 6500 panels of glass! Knowledgeable tour guides take you on this adventure and present the history, current programs, research and unprecedented vision using this engineering marvel. Also, don't miss our feature films, multimedia displays, bookstore and cafe. Check out our new “What IF you could see tomorrow?” programs every Saturday along with many other events listed on our website activities calendar. Biosphere 2 is open daily; call or visit our website for hours and rates!

  • TripAdvisor Traveler Rating
    Based on 872 reviews
  • #2 of 8 things to do in Oracle
  • Show Reviews

Very Interesting

This is located in a rather remote location, but well worth the drive. We had an excellent tour guide who led us through the rain forest, ocean, and desert areas as well as the "lungs" which helps...

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Awesome Experience!

Orville was our guide and he was fantastic. It is a very long tour, up and down steps, but well worth it. My favorite part was actually in the basement; how the windows in the biosphere do not...

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Biosphere 2 choking

Awesome information and learning BUT, you are TRAPPED! The tour is over 2 hours long and 90 % if the tour, you could do on your own and get MORE info than what the Tour guide tries to give because...

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  • Wheelchair Accessible

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