The Ijen volcano complex is a group of composite volcanoes located on the border between Banyuwangi Regency and Bondowoso Regency of East Java, Indonesia. It is known for its blue fire, acidic crater lake, and labour-intensive sulfur mining.
Elevation: 2,769 m (9,085 ft)
Location: Border on between Banyuwangi Regency and Bondowoso Regency · East Java, Indonesia