As of today, peak season now, through ~July 31. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Gruta Azul, located in Chapada Diamantina, Brazil, is renowned for its crystal-clear waters and the mesmerizing blue light beam phenomenon.
Between 2:00 PM and 3:00 PM from April to September, sunlight enters the cave, creating a stunning blue hue in the water.
This natural spectacle is a highlight for visitors seeking unique experiences in the region.
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 |
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| Gruta Azul |
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.