Eastern Mojave Vegetation Catalina Highway, Pima County, Arizona  
 

Tom Schweich  

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 The Catalina Highway, officially the General Hitchcock Highway, is the popular name for a Forest Highway and scenic route located in Pima County in southern Arizona. Also known as the Sky Island Scenic Byway, the Mount Lemmon Highway and Arizona Forest Highway 39, the Catalina Highway is the only paved roadway providing access to the resort village of Summerhaven as well as various recreational and scientific facilities located near the summit of Mount Lemmon. Ascending from the desert floor in Tucson to near the summit of Mount Lemmon, the short highway gains over 6,000 ft (1.8 km), showcasing a variety of climates ranging from lowland desert to alpine forests. The name sky island comes from the analogy of these mountains being like islands of forest in a sea of desert. It is designated as a scenic byway by the National Scenic Byways Program and an Arizona Scenic Road by the Federal Highway Administration.
  End of Road, near Mount Lemmon

 

 

Locations: Santa Catalina Mountains.  

Santa Catalina Mountains

 

 

 

Locations: Soldier Camp.  

Soldier Camp

Soldier Camp. A collection locality for Frasera speciosa

Other articles: US I-10 at Exit 256  

Junction: E. Tanque Verde Road

 

 

   

Literature Cited

  A list of all literature cited by this web site can be found in the Bibliography.
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Date and time this article was prepared: 3/17/2019 7:47:15 AM