Great Smoky Mountains Fireflies 2024. The best time of day to view the fireflies is right after. Each species develops a pattern that allows females to spot the.
Photinus carolinus are one of at least 19 species of fireflies that live in great smoky mountains national park, and one of only three species in north america that synchronize flashing. A lottery opens friday for reservations to see the annual synchronous firefly displays near elkmont in great smoky mountains national park in june.