The National Park Service entrance fee-free days for 2024 will be:
- Monday, January 15th: Martin Luther King Jr. Day.
- Saturday, April 20th – First Day of National Park Week/National Junior Ranger Day
- Wednesday, June 19th – Juneteenth National Independence Day
- Sunday, August 4th – Anniversary of the Great American Outdoors Act
- Saturday, September 28th – National Public Lands Day
- Monday, November 11th – Veterans Day
Participating Parks in Colorado and Utah are:
Colorado
Black Canyon of the Gunnison National Park
Colorado National Monument
Dinosaur National Monument
Florissant Fossil Beds National Monument
Great Sand Dunes National Park & Preserve
Mesa Verde National Park
Rocky Mountain National Park
Utah
Arches National Park
Bryce Canyon National Park
Canyonlands National Park
Capitol Reef National Park
Cedar Breaks National Monument
Dinosaur National Monument
Glen Canyon National Recreation Area
Golden Spike National Historic Site
Natural Bridges National Monument
Zion National Park