Lake Toba is a large natural lake in North Sumatra and Indonesia. The lake is the massive caldera of the Toba supervolcano. The lake is located in the middle of the northern part of the island of Sumatra, with a surface elevation of about 900 metres (2,953 ft), and stretches from 2.88°N 98.52°E to 2.35°N 99.1°E. The lake is about 100 kilometres long, 30 kilometres (19 mi) wide, and up to 505 metres (1,657 ft) deep. It is the largest lake in Indonesia and the largest volcanic lake in the world.…

Ranked #1 on "Top 10 Lakes of Indonesia 2026". Cast your vote to back or challenge this spot.
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