Biosphere 2


32540 S Biosphere Rd.,

PO Box 689

Oracle, AZ 85623


Silhouetted against the peaks and ridges of the majestic Santa Catalina Mountains, The Biosphere 2 Center is a $200 million facility on 250 acres of beautiful desert. A guided tour of the Biosphere lasts about an hour and a half and features science exhibits and a look under the glass at the upper and lower grasslands, ocean, and much more.

Come visit the Biosphere 2 Center for a unique experience

Admission Fees

Adult (ages 13+): $21.00

Seniors (ages 62+): $18.00

AAA Members: $18.00

Military: $18.00

Youth (ages 5-12): $14.00

Non-UA student with college ID  $16

UA Student/Faculty (with Catcard): $11.00

Child (Under 4): Free

Operating Calendar

Open Daily

Closed Thanksgiving & Christmas Day

Operating Hours 9:00am – 4:00pm

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