Experience Biosphere 2
Group reservations are not needed for groups of fewer than 20 visitors for our introductory tour available daily during operating hours from 9:00 a.m. and 4:00 p.m. To make an immediate group tour booking please call 520-621-3960.
Upon arrival, we ask for one payment for the entire authorized group. Some groups, depending on season and program content, will be asked to pay a deposit ahead of time to secure their visit. Please be ready with appropriate payment for your accurate group size and composition so your time on site at Biosphere 2 is used most effectively. You will be asked to pay for the number of participants provided on your completed booking form. Refunds are not possible as Biosphere 2 staff have been scheduled based on your provided participant count. If we can accommodate them, additional participants above your provided count may be subject to 50% surcharge.
Group rates are as follows:
Private Guided Group Tour
- $25 per person
Special VIP "Behind-the-Scenes" tour is $50 per person with a minimum charge of $500.
Please contact us directly to customize your group tour on a specific Biosphere 2 topic or to get a featured speaker.
Contact for specific information: 520-621-3960 or BIO2-GROUP@email.arizona.edu
UA or college affiliate: $15 per person for 20 or more participants, $300 flat rate for 19 participants or less. Duration approx. 90 minutes. Maximum Group size is 120 participants.
Private Adult Tour: $25 per person for a group of 20 participants or more, $500 flat rate for 19 or less. Duration approx. 90 minutes. Maximum Group size is 120 participants. This tour takes place along public tour route.
Behind-the-Scenes Tour: $50 per person for a group of 10 participants or more, includes tour and special access to portions of the facility. $500 flat rate for 9 or fewer participants. Duration 90 - 120 minutes. Inquire about maximum group size. These tours give you exclusive access to the lower rainforest and beach with a private guide that can answer all of your questions.
Accessible ADA Tour: $20 per person (coupons and discount eligible). Reservations a week or more ahead of time are encouraged so we can ensure staff availability. Accessible ADA tours without reservations ≥ 5 days ahead of time will likely have a longer wait. Tour duration 60 - 90 minutes. Note that our staff are not allowed to push wheelchairs for visitors. Visitors requiring assistance may be provided a complimentary admission for a necessary assistant.
K-12 Student Field Trip Guided Tour
$12 per person for a group of 20 participants or more, $240 flat rate for 19 participants or less. Adult chaperones and teachers are part of the participant count. Duration approx. 90 minutes. Maximum Group size is 120 participants.
Adult Chaperones And Teachers With K 12 Students
The MINIMUM Biosphere 2 ratio is one attentive, responsible adult chaperone for every 10 students. This ratio helps ensure the safety of students visiting our facility. The MAXIMUM ratio of chaperones to students is 1:6. Any additional adults or family members above the maximum adult : student ratio of 1:6 must separately pay the applicable admission fee and be assigned to the next available regularly scheduled public tour.
Please, no minors that are not part of the official school group. They and an accompanying adult will be asked to pay for and take our public tour separately from the student group.
For educator led programs and tours:
520-621-3960 or BIO2-GROUP@email.arizona.edu