West Desert Trails

About the Trails

The West Desert Trails are unmaintained trails located on approximately 1,830 acres of open space adjacent to the Sierrita Mine in Green Valley, Arizona. This property was purchased by Freeport-McMoRan Sierrita Inc. in 2012. In 2014, Sierrita completed the installation of groundwater extraction wells and related infrastructure in accordance with the sulfate mitigation effort.


Trail Maps

West Desert Trails -
Green Valley, AZ

View Here

Request a Permit

Permits are FREE and REQUIRED to gain access to
the West Desert Trails.

Apply Here

Important Information

Saftey Tips

  • 1Bring enough water for your outing
  • 2Carry identification
  • 3Wear proper sun protection
  • 4Be aware of snakes and other dangerous wildlife
  • 5Please be aware that the land within the West Desert Trails is also leased to local cattle ranchers and there remains the potential to come in contact with cattle
  • 6Exercise common sense
  • 7Let someone know where you are and when you are expected back


6200 West Duval Mine Road
Green Valley, Arizona 85622 | (520) 393-4426

Freeport-McMoRan is a premier U.S.-based natural resource company with an industry leading global portfolio of mineral assets, significant oil and gas resources and a growing production profile. To learn more about the natural resources we produce which help to move societies toward a cleaner, healthier and productive future, visit www.fcx.com.

West Desert Trails