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The greatest acidic lake on earth: Ijen crater lake - Banyuwangi - East java - Indonesia

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.

Ijen is closed

PAY ATTENTION VISITOR !!!  IJEN IS CLOSED !!! 

28-30 April and 3-5 May 2024
Due to conservation reason, Ijen is officially closed every first Friday of the month. 
The year 2024 - the closure days are 5 Jan, 2 Feb, 1 Mar, 5 Apr, 3 May, 7 Jun, 5 Jul, 2 Aug, 6 Sep, 4 Oct, 1 Nov and  6 Dec.
Note : 
The news sources are taken from various information: social media and official announcements; for more clarity, you can also recheck with various parties such as travel agents or local guides.

Letter of announcement

Health certificate

Starting from January 6, 2024, all tourists who wish to hike Mount Ijen must have a health certificate This health certificate is required to ensure that you are in good physical condition and fit. You can obtain the health certificate at a medical center (such as a health center / Puskesmas or hospital) before the start of your climb at your own expense. You can also inquire at your hotel or travel agent who arranges your trip.

Authority of Mt. Ijen

The management authority of the Kawah Ijen 
the BBKSDA East Java. BBKSDA is a technical implementing unit under the Directorate General of Natural Resources and Ecosystem Conservation at the Ministry of Environment and Forestry of the Republic of Indonesia.

Balai Besar KSDA Jawa Timur
Jl. Raya Bandara Juanda Kec. Sedati Kab. Sidoarjo 61253
Telp. (031) 8667239, Fax. (031) 8671985
email : bbksdajawatimur@gmail.com
Website : https://bbksdajatim.org/
CALL CENTRE : +62 822-3211-5200

Entrance fee Mt Ijen

The entrance fee in Ijen crater lake 
the weekdays 100.000 IDR (6 USD)  and at the weekend.150.000 IDR (10 USD)
Officially you can start your climbing at 02.00 and Ijen will closed at 14.00 
During the raining season Ijen could be open at 04.00 depend on The weather.

Book online ticket 

https://tiket.bbksdajatim.org/#/

All about Mount Ijen - Banyuwangi

  • Access to Ijen Plateau

    Public transport to the Ijen Plateau is available, but not as regular as in cities and not that often. You can reach the plateau from 2 directions, either via Bondowoso or via Banyuwangi. Traveling to the Ijen Plateau is fairly easy if time is your friend. If you are short in time, you might consider an open trip organized tour / On motor bike / Private car / Damri transport 

  • OPEN TRIP - BLUE FIRE - MOUNT IJEN - BANYUWANGI 

    People often join open trips to the Ijen Crater for several reasons. Firstly, open trips provide a convenient and hassle-free way to visit popular destinations like the Ijen Crater without having to plan everything yourself. It is making the experience more accessible and enjoyable. Joining an open trip allows you to meet and interact with like-minded travelers, creating a sense of camaraderie and shared experiences.

Extract sulfur manually by breaking it loose from the surrounding rock, then carrying the sulfur up from the mines in baskets. These miners often work in challenging conditions, facing intense heat, hazardous gases, and physically demanding labor.