BROMO IJEN SHARING TOUR 3 DAYS 2 NIGHT EVERY DAY !!! YOU CAN JOIN WITH OTHER TRAVELER, IT WOULD BE CHEAP COST FOR TRAVELLING  Mount Ijen ( Kawah Ijen ) Ijen volcano in Banyuwangi East Java contains the world’s largest acidic volcanic crater lake, called Kawah Ijen, famous for its turquoise color. The active crater measuring 950×600 m is known for its rich sulphur deposits which are being quarried. The volcano is one of several active stratovolcanoes