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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 860 reviews
  • #2 of 8 things to do in Oracle
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No education or entertainment value. Something is off here.

This place is just weird. It is pricey and they shuffle you along through with a bunch of signs that just say TOUR---->. There is an odd video you see at the start of the tour that serves as a...

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Amazing scientific research facility!

Definitely worth the trip from Tucson. Now run by the University of Arizona, the Biosphere has gained renewed purpose. The tour guides are very well versed and informative. The engineering feat is a...

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An unusual site and worth a visit!

I first visited the place just after it opened in 1991. I haven't been back until visiting friends wanted to see the site. We were guided around the remaining biomes and were shown how the...

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  • Wheelchair Accessible

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