Mt. Lemmon Scenic Byway

Mount Lemmon is a famous “sky island” with an elevation of 9,157 feet. The overall climate is very different from that of the surrounding desert area. Located in the Coronado National Forest, it is the home of Ski Valley the town of Summerhaven, and is the site of an astronomical observatory.

https://www.go-arizona.com/Mt-Lemmon-Scenic-Byway/