Not exactly the most accessible of all crater. This Mount Ijen Crater may become of great interest to the adventurous tourist the trip or tours to the crater should start early in the morning the next clay because road accessibility only gets you up to 14 km for that matter. Special about this crater is its wide gaping mouth having a diameter of 1 km. Where as is depth all the way to the bottom is 175 meters, where turquoise lake fond with its impressive surrounding. Mount Ijen Crater is the biggest crater lake in Java. The sulfur crater lake lies between a natural dams of deeply etched rock. It is 200 meters deep and contains about 36 million cubic meters of steaming acid water, shrouded in a smelling swirling sulfur cloud. Inside the crater the different color and size of stones are found. Indeed the crater of Ijen is beautiful garden of stone as well.