Ijen Crater that is also known as Kawah Ijen by the locals is a top recommended site in Indonesia which is a must visit. Spread over an area of 134 sq. km, the active crater has a landscape of volcanic cones of both the Mount Merapi and Mount Ijen.
Highlights: Ijen is a convoluted group of composite volcanoes that lie inside the huge caldera Ijen which has a width of 20 kilometres. The highest point of this complex is the Gunung Merapi stratovolcano. Towards the western end of the Ijen volcano there is a 1 km wide bluish green colored acidic crater lake which exudes smoky white during the day and flames or blue fire in the night. Visit the crater to view the largest acidic lake of the world. It is indeed one of the best volcanic mountains of Indonesia.
Location: Ijen Crater lies in the Banyuwangi Regency of the East Java in Indonesia.
Timings: Open round the year.
Foreign Tourists (weekends and holidays): Rp 150,000
Domestic Tourists: IDR 10,000