Congaree Synchronous Fireflies

About this spectacle

Each year in late May and early June, the floodplain forest of Congaree National Park transforms after dark into one of the most remarkable light shows in North America. Synchronous fireflies — a rare species capable of coordinating their flashes — pulse in unison across the moss-draped tupelo and bald cypress trees, creating waves of cold green light that sweep through the humid night air. Visitors stand in near-total darkness on forest paths as the forest floor and canopy simultaneously ignite and dim in rhythmic bursts. The soundscape is thick with frog calls and the soft rush of the Congaree River, while the scent of damp earth and bark fills the air. The synchrony builds gradually after dusk, reaching its peak intensity around 10pm. The event lasts only a few weeks, making each night feel genuinely rare and fleeting.

When to go

Jan — Dec, peak May — Jun

Getting there

Nearest airport: CAE. Nearest city: Columbia.

Booking options

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