Singkarak Lake was located in two regencies that are the Tanah Datar Regency and the Solok Regency, West Sumatra Province, Indonesia. The Singkarak Lake was the upstream from the Stick (the river) Ombilin and the Anai Stick. Water to the Anai Stick was channeled beyond the tunnel that penetrated the Barisan Hill and was used to move the PLTA Singkarak generator that was near Lubuk Alung.
Ngalau Indah was a name of a cave in the slope of hills that were gotten in the Payakumbuh City, West Sumatra Province, Indonesia. Inside was gotten the stalagmite stone and stalactite that was formed from the process of lime sediment that took place hundreds of years. The two stone kinds had carved was varied the form kind, with amazing ornaments, like: bedroom space, the seat, the mosquito etc.
The Toba Lake was a volcanic lake in North Sumatra, Sumatra Island, Indonesia widely around 1700 square meters and the depth approximately 450 meters. In the middle of this lake was gotten a volcanic island was named the Samosir Island.
The Samosir Island was a volcanic island in the middle of the Toba Lake in the North Sumatran province, Indonesia. An island in the island with the height 1.000 meters above sea level made this island become an interesting island attention of the tourists.
The Sumatra Island was located at the west of the group of the Indonesian Island. The Sumatran Island bordering with the Benggala Gulf on the north, with the Sunda Strait on the south, with the Malacca Strait on the east and with the Indian Ocean on the west. Widely 443.065,8 km2, Sumatra Island was the biggest island of the six in the world.
Sumatra 
The Toba Lake was a volcanic lake in North Sumatra, 
