Tennessee wildlife
Synchronous fireflies (Photinus carolinus)
Photinus carolinus
One of the few firefly species that synchronize flashes; a natural spectacle.
See the Synchronous fireflies (Photinus carolinus) up close
Best months
Jun
Typical peak viewing is late May to early June; check the park's official firefly event schedule each year.
Where to look
Great Smoky Mountains National Park
Conservation status
Species of conservation concern due to habitat loss and light pollution
Good to know
When is the best time to see synchronous fireflies in the Smokies?
The typical viewing window is late May to early June, but exact dates vary annually; check the park's official announcement.
Do I need a permit or reservation?
Yes, the park requires a special parking pass or shuttle reservation for the firefly event; details are posted on the NPS website.
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