Buy online and save! Online ticket prices reflect a $2 discount off the adult, senior, & military ticket price.
It is not necessary to select a time for Biosphere 2 admission. Biosphere 2 is open daily from 9am-4pm (last entry at 3:30 pm).
The Biosphere 2 Experience
Explore one of the world's most unique research centers. Biosphere 2 is dedicated to understanding Earth’s ecosystems and how we can create a more resilient future for our planet.
What to Expect
Our immersive tour takes you through diverse, contained biomes, including a tropical rainforest, a coastal ocean, and a fog desert.
- Tour Format: Self-guided via the Biosphere 2 mobile app.
- Terrain: A 1-mile path (indoor and outdoor) including stairs, inclines, and declines. A fully accessible route is available.
- Preparation: We strongly encourage downloading the app before you arrive for the best experience. It contains all tour content and helpful pre-visit materials. The Biosphere 2 App is available for free on Google Play or the App Store.
Make the most of your visit with a Behind-the-Scenes Guided Tour! To see the tour offerings, add general admission tickets to your cart and then click continue shopping.
At this time coupons cannot be redeemed online. To use a coupon please purchase tickets onsite.
All sales are non-refundable; however, we are happy to reschedule your booking for any date within one year of the original purchase.
If an error or discrepancy has occurred with your online purchase or donation, please contact us at 520-621-4800.