Kawah Ijen Trekking
Ijen is a volcanic complex that consists of craters and highlands. which has an altitude of 2600 m above sea level. This is a nature reserve area that lies between the three districts in East Java, namely Banyiangi, sitobondo and Bondowoso. ijen be an area that the largest volcano in East Java
This volcanic mountain location there are also sulfur miners, given the mountainous complex of this are still very active which produce sulfur.