Lake Toba is a volcanic lake with the length of 100 kilometers and 30 kilometers wide, located in North Sumatra Province, Indonesia. This lake is the largest lake in Indonesia and Southeast Asia. In the middle of this lake there is a volcanic island called Samosir Island.
Lake Toba since long become an important tourist destination in North Sumatra in addition to Bukit Lawang, Berastagi and Nias, attract domestic tourists or foreign.
Toba lake itself is a volcanic lake that occurs when there is volcanic eruptions at 69,000 to 77,000 years ago, it was estimated also as one of the largest volcanic eruptions in the world.
After the explosion, was created the kaledra (basin on land after volcanic eruption) which is then filled with water and we now know as lake toba.
Toba lake in the middle there is also a small island, also called Samosir Island.
If you want to go see a Lake Toba, it is recommended to stop the city Parapat. From there you can see the beauty of the Lake Toba clearer. Parapat also includes one of the tourist city in northern Sumatra. And also later from Parapat,access to other surrounding provinces Toba tours easier, because there are ship, ferry, or the like which are ready for transport.