Ticket Prices

  • 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  $21
  • Seniors $19
  • Military  $19
  • Children ages 5 through 12   $14
  • UA student, faculty, or staff with UA CatCard  $11
  • Non-UA student with college ID  $16

Operating Hours

  • Open every day of the year, except for Thanksgiving and Christmas Day
  • 9:00 a.m. to 4:00 p.m.  (please arrive no later than 3:45 p.m. for the last tour of the day)

     Group Opportunities