The greatest acidic lake on earth: Ijen crater lake

Ijen Plateau is Indonesia’s most famous crater and lies in East Java, 2,600 meters tall, topped with a caldera with the world’s largest lake of highly acid (pH<0.5) and mineralized volcanic water. The lake has an average depth of 176 meters at a height of 2,368 m. Perhaps Ijen crater lake is the most amazing Indonesian lake.

Smoke near Ijen crater lake - East Java

The view at the blue greenish lake is astonishing. The yellow sulphur that contrasts with the lake and the browinsh-red rocks surrounding it, completes the sea of colour.

Ijen crater lake is famous for its sulphur miners

Sulphur miners start working around two o'clock in the morning only to finish at around 11 o'clock. That to earn a daily wage of Rp. 100,000. Twice, or three times a day the miners climb out of the crater up to the rim with a weight of around 80 kilograms on their shoulders. You could call them real sportsmen. Just after this heavy climb, a three and a half kilometres road down the hill awaits them. The climb has an average incline of 17 percent. Once down, they will weigh their

Ijen Plateau: a combination of nature and humans

Coffee plantations, strawberries, the animal luwak, local people, great views, waterfalls and hot springs with sulphur. Take your time to visit the Plateau, its inhabitants and the lake. Stay a few days and absorb.





As from 22:00 - 21 March 2018 - Ijen crater lake is closed due to gas emissions

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7 Travel Ideas

7 travel ideas - from Yogyakarta to Bali

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Start Bali

Ijen tour: 2 days / 1 night

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Blue fire

burning of sulphuric gasses

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First class tours

Experience a well arranged tour to the Ijen Plateau and Ijen's crater lake with perfect service while traveling. Explore and experience the most acidic lake on earth; the Ijen crater lake. We are a well organized travel agency with a young and dedicated team who makes your holiday happen.

What do you get?

What do you get when you book a tour at

• no strings attached • best service in Malang • payment upon arrival is possible • exclusive tours • easy booking; just fill in the form • honesty • tours with respect for Indonesian cultures

Payment methods

Payment methods at

• all major cards are accepted in our office • PayPal • bank account in The Netherlands - fee free • trusted CV bank account in Indonesia • Western Union


Guaranteed a tour of a lifetime when booking at

contact us anytime anywhere if you experience problems or unsatisfying situations

Good to know...

• IjenPlateau pays the governmental tax of 10% • IjenPlateau pays their employees minimal the minimum wage as set by the local government • IjenPlateau supports the orphanage Al Kaaf with 100 children in Jabung with 2% of their yearly profit