Samosir Island Samosir Island or just Samosir, is a large volcanic island in Lake Toba, that located in north Sumatra, Indonesia. Administratively, Samosir Island is governed as six of the nine districts within Samosir Regency. The lake and island were formed after the eruption of a super volcano some 75,000 years ago.The island was originally connected to the surrounding caldera wall by a small isthmus, which was cut through to aid navigation. Samosir is the largest island within an island, and the fifth largest lake island in the world. It…
Samosir Island
