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Biosphere 2–The University of Arizona

Located in: Pinal County


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

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  • Green Business
  • Mexico Ready

838-6200, off AZ Hwy. 77 (Oracle Rd.), near Oracle, AZ. $20.00/adults, $13.00/children 6–12, 5 and younger free. 9 a.m.–4 p.m. Allow two hours. Biosphere 2 was recently named by Time Life Books as one of the 50 must see "Wonders of the World". Biosphere 2 was originally designed as a prototype for space colonization; it now houses real time earth science and research along with a visitor center that has movies, exhibits, cafe and bookstore. Open daily!

  • TripAdvisor Traveler Rating
    Based on 1028 reviews
  • #2 of 9 things to do in Oracle
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Learn about our environment

Biosphere 2 is alive and well..This is a fascinating attraction. Good facilities and excellent tour guides.

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Phenomenal Experience

While visiting Tucson we decided to tour the Biosphere and I am so glad we did. The experience really reminded of us of how important our world is. Our tour guide Anita was very professional and...

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Much better then I expected, wow

I'm visiting my Uncle and he had gone many times and loves it. This was my first time and I loved it. The short video at the beginning was nice. The earphones they give you to easily hear the guide...

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  • Wheelchair Accessible

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