Western Region Breakdown includes the following states: AZ, CA, CO, HI, ID, MT, NM, NV, OR, UT, WA, WY
Arizona
• Grand Canyon NP
• Petrified Forest NP
• Saguaro NP
 

California
• Channel Islands NP
• Death Valley NP
• Joshua Tree NP
• Lassen Volcanic NP
• Mojave NP
• Redwood NP
• San Bernadino NF
• Santa Monica Mountains NRA
• Sequoia and Kings Canyon NP
• Yosemite NP
 

Colorado
• Black Canyon of the Gunnison NP
• Colorado NM
• Dinosaur NM
• Great Sand Dunes NM and Pres.
• Mesa Verde NP
• Rocky Mountain NP
 

Hawaii
• Haleakala NP
• Hawaii Volcanoes NP
 

Montana
• Glacier NP
 

New Mexico
• Bandelier NM
• Carlsbad Caverns NP
 

Nevada
• Great Basin NP
 

Oregon
• Crater Lake NP
 

Texas
• Guadalupe Mountains NP
 

 

 

Utah
• Arches NP
• Bryce Canyon NP
• Canyonlands NP
• Capitol Reef NP
• Glen Canyon NRA
• Grand Staircase - Escalante NM
• Moab NP
• Zion NP
 

Washington
• Mount Ranier NP
• North Cascades, including:

  • Lake Chelan NRA
  • Ross Lake NRA
• Olympic NP
 

Wyoming
• Grand Teton NP
• Yellowstone NP