Biosphere 2, 10:00, B and C, Hilly (1990 ft), 48 miles

  • Sun, January 29, 2023
  • 10:00 AM - 2:00 PM
  • Panara Bread, 10604 N Oracle Rd Suite 100
  • 11


Registration is closed

Ride with GPS map.

This ride takes in the Biosphere 2, the world's largest controlled environment dedicated to understanding the impacts of climate change. Biosphere 2 is now run by the University of Arizona.

Self-guided 75 minutes tours are available for $25 but you will need to lock your bike outside as we were unable to secure indoor storage.  The gift shop has light snacks.

Ride leader: Mark Mench,, 650.804.8469

Lunch after at Panera.

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