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The Mt. Lemmon Science Tour App

Discover the science and wonders of Arizona’s “Sky Islands” region on your drive up the Santa Catalina Mountains.



Produced by the University of Arizona College of Science, the Tour engages users with the surprising natural science of Southern Arizona, from the enchanting Sonoran Desert to the "Sky Island" mountains on every horizon.

With music by the band Calexico, the Tour is narrated by Calexico front-man Joey Burns.

Along with the audio tour, the app also includes informative slide-shows and videos that visualize the science. Through science stories, the Mt. Lemmon Science Tour brings the wonders of this region alive.

Click below to download for iPhone or Android




  • An audio guide to the amazing science of our unique Sky Islands Region in Southern Arizona

  • Stories about discoveries made by UA scientists here in the Santa Catalina Mountains

  • Graphic slide-shows that help interpret what you see on the trip up the Catalina Mountains

  • Animated videos that explain complex science in an easy-to-understand way

  • Music by the band Calexico, and narrated by Calexico front-man Joey Burns



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