KAWAN IJEN
Kawah Ijen is a spectacular volcanic crater in East Java, Indonesia, famous for its extraordinary blue fire, turquoise acidic lake, and traditional sulfur miners. It’s a popular destination for adventurous hikers and photographers.
What makes it special?
🔵 Blue fire: Electric-blue flames from burning sulfur gases, usually visible in darkness before dawn.
🩵 Turquoise crater lake: A strikingly colored, highly acidic lake surrounded by steep volcanic walls.
🌄 Sunrise hike: Views of the crater and surrounding mountains as daylight breaks.
⛰️ Sulfur mining: An opportunity to see the challenging work of local sulfur miners from permitted viewing areas.
Good to Know
Indonesia
Languages spoken
Currency used
Area (km2)
Municipalities
Kawah Ijen officially reopened on 28 September 2026 after a forest fire closure. However, another fire was reported in the wider Ijen conservation area in October, so confirm current access and safety instructions before setting off. The official park website lists scheduled maintenance closures, including 2 October, 6 November and 4 December 2026.
Official information and tickets: AyoKeTamanNasional — Kawah Ijen
Bring warm clothing, a headlamp and appropriate protective equipment. Volcanic gases can be dangerous; never descend into the crater unless access is permitted and official safety guidance
