Visit Biosphere 2

The Biosphere 2 Experience

Biosphere 2 is Open with a Great New Experience!

The Biosphere 2 Experience app includes never before seen photos and videos that visualize the science and 30-year history. Through science stories and interviews you'll have the opportunity to learn more about our amazing, world-class research as you traverse a safe (socially distanced) one-way path around the exterior, through the human habitat and interior wilderness areas of Biosphere 2! 

NOTE: Since the start of the pandemic, our health and safety protocols have been guided by the University of Arizona’s COVID-19 mitigation measures ( Although recommendations may vary, Biosphere 2 has, and will continue, to follow the most stringent guidelines set by the University of Arizona’s officials to ensure the safety of guests and staff. Masks are required in all indoor settings (  Please review our Visitor Safety Guidelines further down this page.

Tickets for the Biosphere 2 Experience must be pre-purchased online, and visitors must download either the Android or Apple app to complete their journey.

Download for Android
Download for iPhone

The Biosphere 2 Experience will take approximately 1 hr 15 min to complete.

There will be a limited number of tickets sold per hour and day. Once a limit is reached, interested guests must select another time and/or day.

Event Information

Dates & Hours:

Monday – Sunday 9am – 4 pm
Closed Thanksgiving and Christmas Day

Tickets must be purchased in advance
Masks are mandatory at all times while onsite

Buy Tickets Now

Before you get here:

Make sure to download the Biosphere 2 App and explore the 'Before you Visit' section.

Visitor Safety Guidelines

Health and safety guidelines are in place for your safety and the safety of others, we appreciate your cooperation. Those unable or unwilling to comply will not be permitted to enter or remain on the grounds.
Tickets Must Be Purchased Online

Purchase a ticket online prior to your visit. Please visit:


Water Filling Stations

Touchless water bottle refill stations will be available. Please bring your own reusable water bottle.

Hand Sanitizing Stations

Hand sanitizing stations will be located throughout Biosphere 2. We ask that everyone use them after touching a surface.


Individuals Experiencing Symptoms

Visitors who are experiencing COVID-19 symptoms such as sore throat, cough, shortness of breath, fever or recent loss of taste and/or smell are asked to visit us at another time.


Follow Directional Signs

Follow all posted signs and directions from staff stationed throughout Biosphere 2 regarding social distancing, traffic flow, capacity, closed areas and other safety protocol.


Avoid Closed Areas

Select areas within Biosphere 2 will be temporarily closed.

What to Bring

Please wear appropriate attire. Recommended items include: closed toed comfortable walking shoes, sun protection, and a water bottle. The visit will include walking outdoors and through tropical systems.