Discover These Colorado National Parks for Free in 2025

One of the best things about living in Colorado is the access to its amazing national parks. When you think of Colorado's national parks, the first one that comes to mind is Rocky Mountain National Park, and for a good reason.

Rocky Mountain National Park is a favorite among Coloradans and tourists from all over the world. A day at Rocky Mountain National Park is surely going to be one you are going to talk about for years.

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Colorado has four national parks and I would encourage everyone to visit as many as they can. However, as you know, prices to gain entry into these national parks can sometimes be quite expensive. Thankfully, there are numerous days you can visit these national parks in the state of Colorado for no cost at all.

Colorado National Park Free Days in 2025

There are six days you can access one of the four national parks in Colorado at no cost. Best of all, this includes all national parks nationwide. Here are the days you can visit a national park and not have to pay an entry fee.

• Martin Luther King Jr. Day - Monday, January 20
• First Day of National Park Week - Saturday, April 19
• Juneteenth National Independence Day - Thursday, June 19
• Anniversary of the Great American Outdoors Act - Monday, August 4
• National Public Lands Day - Saturday, September 27
• Veterans Day - Tuesday, November 11

On these days, you can visit any of the national parks in Colorado, the monuments, recreation areas, historic sites, and any National Park Service site that charges an entry fee.

Rocky Mountain National Park Free Day Reservation

While you won't have to pay for an entry fee into Northern Colorado's Rocky Mountain National Park on one of these days, you may still have to pay a separate fee for a timed entry. Of course, you could always bypass this fee by heading up to Rocky Mountain National Park extra early in the morning, you just have to choose if it is worth getting up that early to save a couple of dollars.