Samosir, in Lake Toba on the Indonesian island of Sumatra, covers about 630 km² — roughly the size of Singapore — and is home to over 100,000 Batak people. It is the largest island within a lake on an island anywhere in the world.
The question, scope, and sources behind this Registry record.
Samosir, in Lake Toba on the Indonesian island of Sumatra, covers about 630 km² — roughly the size of Singapore — and is home to over 100,000 Batak people. It is the largest island within a lake on an island anywhere in the world.
The largest island lying within a lake that is itself located on an island.
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1 accepted Claim, with 1 linked evidence records.
Permanent ID limitsregistry.com/limits/LR-LARGEST-ISLAND-WITHIN-ISLAND
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Limits Registry. LR-LARGEST-ISLAND-WITHIN-ISLAND. Largest island within a lake on an island. 2026.