Updated October 2026
National Parks by State
55 states and territories contain National Park Service units that report monthly visitation. Pick a state to see all of its parks ranked by annual visits, each with the month our data recommends for the best balance of light crowds, comfortable weather and daylight.
442 state–park pairings across 55 states. Parks that span a state line are listed under each state they touch.
Frequently asked questions
Which state has the most national parks?
California has the most National Park Service units that report visitation, with 23. Note that a single park spanning a state line is counted in each state it touches, which is why the state totals add up to more than the number of distinct units.
How many states have national parks?
55 states and territories have at least one National Park Service unit reporting monthly visitation. Each state page lists every unit with its crowd calendar and recommended month.
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