The Blue Fire phenomenon in Ijen Crater Bondowoso may have existed since hundreds or even thousands of years ago.
Visitors witness the Blue Fire phenomenon in Ijen crater as seen from the peak of Mount Ijen in East Java.
The wurung crater is a cylindrical cone located in a vast savanna area. Wurung Crater is thought to be a cylindrical cone of Mount Ijen. Wurung crater located at the Blambangan Mountain range (Merapi, Ijen, Meranti, and Raung)