iPhone Screenshots


The MT. LEMMON SCIENCE TOUR provides a fascinating, family-friendly audio guide for the ride up the scenic Catalina Highway to the top of Mt. Lemmon, the highest peak in the Santa Catalina Mountains near Tucson, Arizona.

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 frontman Joey Burns.

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

• A narrated hour-long science tour in six sections with suggested vista stops along the way
• Graphic slideshows and videos for each section that visualize the science
• Highlights science and scientists from the University of Arizona
• Music by the band Calexico, narration by lead singer Joey Burns
• Section 1, SKY ISLANDS, explores the unique Sonoran Desert and mountains the mountains that rise above it to form islands of forest in a desert sea
• Section 2, ROCKS, explores the region’s Basin and Range geology and how the landscape formed
• Section 3, LIFE ZONES, explores the layers of habitat in the Sky Islands region – there is more biodiversity here than anywhere else in the United States
• Section 4, WATER, explores the key role of water in landscape formation and habitat, and they Arizona Monsoon that brings the region half of its annual rainfall.
• Section 5, FOREST, explores the natural systems that make it possible for pine forests to grow in a desert region, and how all the natural systems connect.
• Section 6, FIRE, explores how fire in the ecosystem has changed due to human influences, and how fire connects with the Carbon Cycle that enables life on Earth.
• The EXPLORE MORE screen provides links to other Geotourism opportunities around Tucson, Arizona

If you have questions or feedback, please email the University of Arizona College of Science at uasci@email.arizona.edu

What’s New

Version 1.3

Bug fixes, SDK updates

Ratings and Reviews

4.7 out of 5
18 Ratings

18 Ratings

Adriano 5 ,

Detail Mount Lemmon Tour App

The App gives you a very scientific and well spoken tour as you make your drive up Mount Lemmon, AZ. It makes a grear tour guide if it’s your first time up the mountain or even if you been up there many times like myself. I highly recomend this App as a tour guide for you and the people who are driving aling with you. You can play the app on your car radio and enjoy the awesome scenery.

State geek ,

All Mt Lemmon-goers need this!

The app plays as you drive up the mountain. Commentary is very interesting and relevant. App is easy to use and not web-dependent. Scientific content is very basic, but most people will still learn something new! I’d like to see a more advanced version available.

Dljones99 ,

Definitely makes the trip more enjoyable

Nice background music and good information. I wish they went into the geology more and discussed some specific rock formations or road cuts. It’s nice


University of Arizona
97.5 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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