Cool facts about Lake Toba

Posted on Aug 25, 2025 / Travel

Lake Toba is the largest volcanic lake in the world, stretching over 100 kilometers in length and 30 kilometers in width.
The lake was formed by a supervolcanic eruption approximately 74,000 years ago, one of the largest in recorded history.
Samosir Island in the middle of the lake is culturally significant as the heart of Batak heritage and traditions.
The caldera left by the eruption makes the surrounding landscape extremely fertile, supporting local agriculture and villages.
Lake Toba is about 505 meters deep, making it one of the deepest volcanic lakes in the world.
The area around Lake Toba offers hot springs, waterfalls, and hiking trails, attracting nature lovers and adventure seekers.
Local Batak culture includes traditional music, dances, and longhouses, which visitors can experience on Samosir Island.

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