As of Jun 19, 2026, 8:54 PM, peak season now, through ~September 15. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Clusters of bioluminescent fungi, primarily Mycena chlorophos and related species, fruit on damp decaying wood in Japan's warm, humid evergreen forests.
The glow is faint and continuous rather than a flashing display.
Best viewing requires darkness, recent rain, and nighttime visits guided by local experts.
Where to see it
A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.
| Viewing spots |
|---|
| Shiratani Unsuikyo Ravine (Yakushima) |
| Kinsakubaru Primeval Forest / Amami Oshima Interior |
| + 1 more spot, with exact coordinates and timing, in the app → |
This is the short version
This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.