Samosir Island , in the middle of Lake Toba is the size of Singapore. Lake toba is the largest and deepest crater lake in world.906 meter above sea level, a water surface area of 1,265 square km, 90 km long with a coastline of 285 km, and with an average depth of 450 meters. Samosir island is the home of Batak people. The population of Samosir Island is approximately 130.568, or 91 per square kilometer .
World famous is the crater Toba Lake in the Batak highlands; approximately five hours drive from Medan. Toba Lake is the largest lake in South East Asia and also one of the most spectacular, surrounded by tall mountains and with the large island of Samosir in the middle. If we descend from the mountain we see the lake glittering in all its beauty. The Dutch writer Rudy Kousbroek even called Toba Lake, 'the most beautiful place on earth'. Most visitors stay on the peninsula of Tuk Tuk on Samosir, named after the linguist Herman Neubronner van der Tuuk. In general people stay several days on Samosir to discover the island, to visit traditional Batak villages, to swim in the lake and go to the hot springs in Pangururan.