Indonesia » Sumatra
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| Lake Toba | |
| Lake Toba is a large natural lake located in North Sumatra, Indonesia. It is one of the largest lakes in the world, measuring approximately 100 kilometers in length, 30 kilometers in width, and up to 500 meters in depth. The lake is located within the caldera of a supervolcano, which last erupted around 75,000 years ago. | |
