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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 885 reviews
  • #2 of 8 things to do in Oracle
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A Must Stop and See!

We are here in Oro Valley visiting relatives. This is our first to this area. The views are Magnificat! It's monsoonal season so everything is green. Rain showers can happen at any time. Temperatures...

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The Biosphere 2 is truly an amazing display of engineering. The tour takes you through the biomes and behind the scenes of how the biosphere worked when it was sealed. I highly recommend taking a...

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Very interesting

Be ready to walk, climb stairs and crouch to fit through doors. This tour is not for some one needing adaptive equipment to move (hopefully there is an accessible touring option). My husband...

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  • Wheelchair Accessible

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