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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 915 reviews
  • #2 of 8 things to do in Oracle
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My husband and I went here while staying at Loews Vantana Canyon resort. It was about a 1 Hour drive up to Biosphere 2 and worth it. The tour guides were really good and know a lot. It was funny...

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Interesting for some

We had children 3,12, 11. It was not interesting for them. Take the tour. It is of course all about science and at a fairly high level. The concept and the planning for this experiment is...

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My kids were a little bored but it was still interesting. I’m happy I get to cross this off my bucket list.

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  • Wheelchair Accessible

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