Permits · Tennessee
Archived Firefly Event Lottery — a bookable permit listing on Recreation.gov. The agency's own description and rules below; permit systems run on lotteries and windows, not cancellation markets.
Overview: Synchronous fireflies ( Photinus carolinus ) are one of at least 19 species of fireflies that live in Great Smoky Mountains National Park and one of only a few species in the world known to synchronize their flash patterns. This insects' reproductive display occurs for a couple of weeks every year throughout its range (southern Appalachians), and is typically in late May or early June in the Elkmont area of the park.
| Type | Permit — bookable via Recreation.gov |
|---|---|
| Managed by | National Park Service |
| Location | Gatlinburg, Tennessee |
| Phone (official listing) | 865-436-1261 |
| Official listing | Recreation.gov — Archived Firefly Event Lottery |
Wilderness and backcountry permits do not work like campsites, and this page will not pretend otherwise. Some of these listings are lotteries with fixed application windows and published odds; others release first-come on a schedule; many do both in sequence. The official description above — quoted from the managing agency — states which one this is, and it outranks any general guide, including ours. Three rules that hold across the family:
The listing's own description, quoted on this page, states the allocation method — many famous permits run a lottery phase followed by a first-come remainder. Trust the listing text over any summary.
Lottery-allocated permits do not recycle into a public first-come calendar. If this listing runs a day-before or remainder draw, the description says so — that draw is the legitimate second chance.
No. Permits are issued to named applicants through the official system; we publish the data, the calendars, and the odds — and watch the bookable campgrounds around them.
Every figure in this article traces to one of the sources above. If a number isn't sourced, we don't print it.
Last updated 2026-10-30.