INFORMATION ABOUT THE IJEN CRATER Mount Ijen is a volcano located on the border between Banyuwangi Regency and Bondowoso Regency, East Java, Indonesia. This mountain has an altitude of 2,386 meters above sea level and is located side by side with Mount Merapi. Mount Ijen last erupted in 1999. .One of the most famous natural phenomena of Mount Ijen is the blue fire in the crater which is located at its peak. This mountain climbing can be started from two places. Hikers can depart from Banyuwangi or from Bondowoso. Ijen crater is an acidic crater lake at the top of Mount Ijen with a lake depth of 200 meters and a crater area of 5,466 hectares. Ijen crater lake is known as the largest strong acid lake in the world. .Ijen crater is in the area of Ijen Tourism Park, Bondowoso Regency and Banyuwangi Regency, East Java. The phenomenon of eternal blue fire or eternal blue fire i...