The Gunung Batur is the active volcano which is located in the north-west of Gunung Agung area. This volcano is consisted of two craters. The first one is up to 10 km long and 13,5 km wide. In this crater the lake Danau Batur can be found. When it comes to the second crater its dimensions are 6,4 km by 9,4 km. It is estimated that this volcano is over 25,000 years old. The highest point of this volcano is approximately at 2,200 meters.