Rinjani is active volcano and located on Lombok Island of Nusa Tenggara. This is the second highest volcano in Indonesia, with elevation reaches 3.726 meters above sea level with latitude 8º 25' and 116º 28'. Mount Rinjani is favourite place for climbers or nature lovers from Indonesia and abroad to get beautiful landscape surround. Mount Rinjani is part of National Park in Nusa Tenggara and it has area of approximately 41,330 hectares. The area is 76,000 acres from west to east.
Administratively, mount Rinjani is under 3 districts and that are: East Lombok, Central Lombok and West Lombok. In the west part, there is caldera cone Rinjani with area between 3.500 meters × 4.800 meters, extends towards the east and west part. In Segara Anak caldera, there is breadth of 11 million square meters with depth of 230 meters. Water flows into the lake and forming very beautiful waterfall and charming, flowing through steep ravine.
In Segara Anak abundant fish, so it often used by local people for fishing. With the blue color of water, they will be like kid ocean lakes and that’s why it called Segara Anak. In the southern part is lake of Segara and In the east part there is new caldera of mountain has sized crater 170 meters × 200 meters, with height of 2296 meters above the sea.
The mountain had last erupted in the year of 2004 and right now is in active normal and there are more visitors do adventures, enjoy the beautiful scenery of sunrise from the hill top.