Lake Sidihoni. The 5 hectare lake is located in Sabugan Nihuta Village, Ronggur Nihuta District, Samosir Regency, North Sumatra. From Pangururan, the capital of Samosir, the lake is about 8 kilometers, or about 30 minutes away by motorcycle. While from Tuktuk Siadong, this lake is about 40 kilometers. To get there, is almost half the island of Samosir.
It has been a long time since Lake Sidihoni entered the public as one of the tourist attractions in Samosir. But until now, the development of this tourism object has not been maximized.
Accessibility to this lake is still not good. The road to the location has not been fully paved. Similarly, lodging facilities that do not exist. However, if you want to stay, visitors can stay at home residents.
The attraction of Lake Sidihoni is its cool and comfortable environment. The scenery around the lake is more attractive, because the lake is obscured by light green ramps and rows of pine trees.
Lake Sidihoni is one savanna savannah that makes this lake feel more exotic. No wonder if Lake Sidihoni with the grassland area that mengililinginya it, often used as an open area where children play.
However, residents are prohibited from swimming into the middle of the lake, including bathing his buffalo into this lake. Just for information, this lake was once used as a buffalo bath. The water gets dirty. The lake even looks like a buffalo puddle. But because there is a ban, the water starts to come back clean.
According to research, this lake was once a forest and swamp. Because trees are cleared artificially around landslides. Slowly turns into an air-filled basin. Historically, this lake is also experiencing severe drought. Among others occurred in 1943, 1958 and 2004 during the tsunami of Aceh.
The drought occurs because of a new hole that forms at the bottom of the lake so it can absorb the air. For example in 2004, the base in the middle of the lake has eroded and formed a large hole with a diameter of 5 meters. People also believe that there is a big hole in the east of the lake. The hole is important to penetrate into the lake Ambarita, District Simanindo, Samosir.
This is in accordance with research conducted by Erwin Landy, an agricultural researcher and practitioner from USU who has loved many types of land typography Samosir.
Mentioned Erwin, in the stomach of Samosir Island there is an underground fracture path from the explosion of Mount Toba. When the earthquake falls. Therefore, the basic typography of land on Samosir Island there are many wells well. No wonder when there Samosir when exposed to drought and high rainfall.
“Under Samosir there is a fracture path from the geological event of the explosion of Mount Toba, it is an underground river,” Erwin said who has been conducting research at Samosir for decades.
There are actually a number of lakes in Samosir. Sidihoni In addition there is also Lake Aek Natonang in District Simanindo. There is also a lake named Aek Parohan which also exist in District Ronggur Nihuta. Unlike Lake Sidihoni, the Aek Porohan area is still filled with grass and still swamp.
In the past, before Ludwig Ingwer Nommensen Christianized the Batak region, the Salaon Toba community often held a rain ritual at Aek Porohan. Residents enter the lake and exhale the air by hand, or marsidombur.
Until now, Lake Sidihoni became one of the many tourist destinations in Samosir. Its existence continues to be developed by local government as one of Geopark Caldera Toba region.