By state · KY

National Parks in Kentucky.

Kentucky's NPS network at a glance — units, designations, visit totals, and what shapes the visiting season.

By Nicholas Major · Last updated

Kentucky's NPS flagship is Mammoth Cave National Park — the world's longest known cave system at more than 400 mapped miles. Other Kentucky NPS units include Abraham Lincoln Birthplace National Historical Park, Cumberland Gap National Historical Park (jointly with Tennessee and Virginia), Big South Fork NRRA (also Tennessee), and Camp Nelson National Monument. Louisville (SDF), Lexington (LEX), and Nashville (BNA, Tennessee) anchor different parts of the network. Mammoth Cave's cave tours run year-round (the cave's interior temperature stays near 54°F) but surface trails are best in spring and fall — summer brings dense humidity, winter brings ice. Cave tours sell out in summer and around holiday weekends; reserve in advance through the official NPS reservations page. The cave's constant 54°F temperature makes summer the most uncomfortable surface season but the most comfortable below ground — bring a light jacket for cave tours even in July.

Every NPS unit in Kentucky.

Kentucky's 9 NPS units: 2 National Historical Parks · 2 National Monuments · 2 National Historic Trails · 1 National River & Recreation Area · 1 National Battlefield · 1 National Park. Combined 5-year-average annual visits: 2,669,010 (multi-state units count their full visits in every state they touch — see methodology). The most-visited unit is Big South Fork National River & Recreation Area at about 790K annual visits.

UnitDesignation5-yr avg visitsBusiest month
Big South Fork National River & Recreation Area National River & Recreation AreaBISO 790,481 October
Cumberland Gap National Historical Park National Historical ParkCUGA 767,728 October
Mammoth Cave National Park National ParkMACA 648,229 July
Abraham Lincoln Birthplace National Historical Park National Historical ParkABLI 243,782 July
Fort Donelson National Battlefield National BattlefieldFODO 183,133 May
Camp Nelson National Monument National MonumentCANE 26,238 May
Mill Springs Battlefield National Monument National MonumentMISP 9,419 August
Lewis & Clark National Historic Trail National Historic TrailLECL
Trail Of Tears National Historic Trail National Historic TrailTRTE

Methodology

Unit list and per-unit visit counts come from the official NPS Visitor Use Statistics Data Package, 2025. The "5-year average visits" column is the mean of 2021-2025 Recreation Visits. Multi-state NPS units (Yellowstone, Death Valley, Great Smoky Mountains and others) are listed under every state they touch; the per-unit visit count is the unit's total, not a per-state share. Independent site, not affiliated with the National Park Service.

Independence

Independent site. Not affiliated with or endorsed by the National Park Service. Data comes from the official NPS Visitor Use Statistics Data Package, 2025; editorial analysis is ours. The NPS Arrowhead and other NPS marks are not used.

Last updated · 2026-05-19