The stunning blue fire emanating from the crater is a unique sight. The caldera lake is filled with turquoise water and is the world's largest highy acidic lake. Ijen Volcano is one of the few locations on Earth where sulfur is still produced by artisanal miners. Interact with them and learn their work. On top of those amazing sights, the surroundings are filled with volcanoes, hills and jungle.

حجز أولاين