In case you weren’t looking forward to Saturday already, the National Park Service is waiving entrance fees on Sept. 30 for National Public Lands Day.

Lucky for Arizonans, our state has the most participating parks; there are 15 to choose from.

Here is a list of all the parks in Arizona you can visit for free on Saturday:

  • Casa Grande Ruins National Monument
  • Glen Canyon National Recreation Area
  • Grand Canyon National Park
  • Lake Mead National Recreation Area
  • Montezuma Castle National Monument
  • Organ Pipe Cactus National Monument
  • Petrified Forest National Park
  • Pipe Spring National Monument
  • Saguaro National Park
  • Sunset Crater Volcano National Monument
  • Tonto National Monument
  • Tumacácori National Historical Park
  • Tuzigoot National Monument
  • Walnut Canyon National Monument
  • Wupatki National Monument