Shenandoah National Park, Yosemite National Park

OutsideJun 26

Catch Spectacular Summer Firefly Displays at These 6 National Parks

Early summer brings one of nature’s most impressive displays as thousands of fireflies light up forests across national parks. Here’s where you can still catch the show.

Protected forests and meadows provide perfect living conditions for fireflies.

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Great Smoky Mountains National ParkSightThousands of synchronous fireflies illuminate the forest in unison.
Cuyahoga Valley National ParkSightHome to an impressive diversity of fireflies, up to 24 species.
Shenandoah National ParkSightProtected forests and meadows provide perfect living conditions for fireflies.
Skyline DriveSightScenic autumn drives through Shenandoah National Park.
Big Meadows CampgroundSightOpen fields provide ideal viewing for fireflies after sunset.
Congaree National ParkSightThousands of synchronous fireflies gather, flashing in unison.
Firefly TrailTrail1.8-mile route through the park's best firefly habitats.
Mammoth Cave National ParkPlaceLandscape glows with incalculable fireflies after daylight fades.
Indiana Dunes National ParkPlaceWetlands, savannas, and wooded areas create prime habitats for fireflies.
Cowles Bog TrailTrail4.7-mile loop through wetlands and forest for spotting fireflies.
Great Marsh TrailTrail1.3-mile route offering access to marshland firefly viewing.
ElkmontNeighborhoodArea in Great Smoky Mountains National Park for synchronous fireflies.
Ohio & Erie Canal Towpath TrailTrailOpen fields along the trail are good for observing fireflies.

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Shenandoah National Park

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Catch Spectacular Summer Firefly Displays at These 6 National Parks