SUP Magazine: Here's Every Free National Park Day in 2025

Most U.S. national parks are free to enter, but some of the most well known and highly trafficked parks require an entry fee for all those looking to experience the great outdoors. If you want to get in these parks without coughing up any money, there are six days next year you can choose from to visit. Every year, the National Park Service invites guests on its free entry days to come experience the beauty of these sites without paying a dime. "Whether you are a family looking for a week...