While you will be able to get into the parks without paying an entrance fee, NPS notes you may still need to pay a timed entry or reservation fee. After Sunday, there are four oth

Each April, the National Park Service celebrates National Park Week with daily programming and special events. This year, the special week kicks off on April 19, with visitors also receiving free admission to most national parks on that day as well. (National Park Week runs from April 19 to April 27.)