Parks waive their entrance fees on nationally designated fee free dates. Please check with each park for operating hours and event schedules.
Arizona
- 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 (in Tucson)
- Sunset Crater Volcano National Monument
- Tonto National Monument
- Tumacácori National Historical Park
- Tuzigoot National Monument
- Walnut Canyon National Monument
- Wupatki National Monument