The University of Arizona
Biosphere 2

Tour Schedule

Biosphere’s gates open at 9 am and close at 4 pm. Tours run periodically throughout the day. Please call for seasonal tour times.

Contact

520-838-6200

Tour Info
Tour Prices*
  • Adults $20
  • Seniors ages 62+ $18
  • AAA Members $18
  • Military $18
  • Children ages 6–12 $13
  • Children under 5 FREE
    (as of July 1, 2007)
  • UA Student/Faculty w/Catcard–$10
Operating Hours
  • Open every day of the year, except for Thanksgiving and Christmas Day
  • 9 am to 4 pm
Available Discounts
  • $1 and $2 off admission coupons available at many area hotels, airports, car rentals
  • 2 for 1 admission in Tucson Attraction Passport
Group Rates **
  • Private Groups (20 or more)
  • K-12 Student Tours (class size 20 or more) – $10 per student
Special Considerations
  • Biosphere 2 recommends that guests wear comfortable walking shoes.
  • Sorry. No pets allowed.
  • Sorry. No food or drink is allowed on the premises except for bottled water and items needed for baby care.

*Half of the $20 tour fee goes to support research at Biosphere 2, and qualifies as a tax-deductible charitable contribution. Be sure to save your receipt for tax records.
*Coupons cannot be used in conjunction with other discounts.
**Please call (520) 838-6200 or email info@b2science.org for reservations of groups of 20 or more.