Ijen Crater: Night Hikes for Blue Flames & Acid Lake Views
★4.9(3968)
Start the trek at 1am to catch the electric blue fire before sunrise destroys the effect. The climb is steep and the sulfur fumes are brutal; skip the basic masks and rent a legit respirator from a local vendor. Don’t waste money on group tours that force you to rush. Stick to private guides so you can actually breathe and linger at the turquoise lake rim. Wear real boots or you’ll regret it immediately.
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