Ticket Prices & Purchase

  • Biosphere 2 recommends that guests wear comfortable walking shoes.
  • Weather can be unpredictable in the winter and spring – layers are recommended.
  • No pets allowed.
  • Wheelchairs, baby strollers and walkers are not allowed on the tour due to stairs.
  • Baby "backpacks" and back slings cannot be used – babies and children must be carried in front.
  • No outside food or drink is allowed on the premises except for bottled water and items needed for baby care.

Admission Fees

  • Adults  $20
  • Seniors $18
  • Military  $18
  • Children ages 6 through 12  $13
  • UA student, faculty, or staff with UA CatCard  $10
  • Non-UA student with college ID  $15

Operating Hours

  • Open every day of the year, except for Thanksgiving and Christmas Day
  • 9:00 a.m. to 4:00 p.m.

Group Opportunities


Special Event - Drone Racing League (DRL) at Biosphere 2!



Join us on Saturday, March 24, 2018 for this special full-day event where you can tour Biosphere 2, get hands-on experience with drones, explore the science of autonomous vehicles and learn about new ways that robotics supports the Earth science community. The day will conclude with an evening drone race by DRL!

Learn more

Purchase tickets online now!

All-Day Access Pass (DRL evening race included):
Adult - $20.00
Educator - $10.00
College Student
- $5.00
K-12 Student - $5.00

DRL Evening "Race Only" Pass:   
Adult - $12.00

Educator - $8.00
College Student - $5.00
K-12 Student - $5.00

Educators, K-12, and college students will be required to provide a valid teacher or school ID.