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- Sigulati, Toba Geopark Museum
- Sianjur First, dacitic lava
- Tele, non-welded YTT
- Hobon Stone, Cultural site
- Sianjur Initially, Traditional Batak House
- Parhorasan Rock Dacitic lava flow
- Siboro, limestone – volcanic contact
- Aek Rangat, geothermal field
Geological Aspects
Panorama of G. Pusuk Buhit (+ 1751 m) seen from Samosir Island, showing traces of displacement of the eruption point (crater) which is characterized by traces of hydrothermal change (white). columns and lava flows (flow-banding), which characterize the process of solidification (petrification). The dasitan lava rock outcrop which is part of the Mount Pusuk Buhit lava dome, which is located in the Batu Hobon intersection area (left) and the landscape of the Sianjur valley is first seen from the Batu Hobon intersection. Outcrop of the Pangururan Formation slate rock unit of Permo-Carboniferous age on a road cliff in the Tanjung Bunga area. The myth of Si Boru Deak Parujar tells the story of the process of a goddess figure creating the earth. This is followed by a story about the process of the beginning of the Batak people who were called Si Raja Batak. Pusuk Buhit is believed to be the link between the heavenly world (Banua Ginjang), the human world (Banua Tonga) and the evil world (Banua Toru). Sianjur was originally considered to be the place where the first group of Batak people (Bius) originated. This location is found in the Pusuk Buhit Geosite. Hot springs and hydrothermally altered rocks found in the Aek Rangat–Pangururan area with sulfur sinter deposits (right), are manifestations of active type B volcanic activity (ever erupted before 1600). This area is used as a recreation and bathing place by tourists and local residents.
Biological Aspects
- various types of endemic fish and cultivated fish such as ihan (typical Batak fish), goldfish, pora-pora fish (already rare), catfish, snakehead fish, undalap fish
- spices/medicinal plants such as pirdot (for diabetes and heart disease), sitohap (stomach ache medicine), babarus (shortness of breath medicine for babies), purba jolma (for those who don’t have children yet), andaliman, onions, ginger, turmeric, galangal , kaffir lime, lemongrass
- horticulture such as chilies, beans, corn, potatoes, tomatoes, vegetables
- plantation crops such as shrimp mango (Toba mango), candlenuts, coffee, vanilla, coconut
- agricultural crops such as lowland rice and field rice
- livestock, such as buffalo, cows, oxen, chickens, ducks
- fowl (birds), wild boar, and wild animals
- endemic plants/trees such as ingul/surian wood, banyan, hariara
In this Geosite area there are White Goats (Capraaegagrus) which are endemic to Toba, and historically have been kept by local residents for generations. This white goat was originally used as an offering ceremonial material at religious events for one of the Aninist beliefs (Parmalim) by local residents. The goat offered must be white, so naturally the local people are selective in keeping their goats, prioritizing white ones. These white goats can adapt to dry and rocky land ecosystem conditions, although in the dry season the grass is usually very difficult and dry. And the topography is hilly, it turns out these goats can adapt and breed well.
Cultural Aspects
Batu Hobon is a piece of rock measuring + 1 m2 found in Batu Hobon Village, at the foot of Pusuk Buhit. Hobon Stone for the people living around Hobon Stone is considered something sacred. At this location, a traditional ceremony called mandudu (rite of offering/respecting the Earth) was often held. This location is in the Pusuk Buhit Geosite area. Hobon stone means stone chest (hobon = large chest for storing things). This cultural site is located between Huta Sagala and Limbong at the foot of Dolok Pusuk Buhit. If you look at its shape, it is a sarcophagus (stone coffin), consisting of a container that is thought to be hollow like a mortar with a lid also made of stone. Siboru Deang Parujar’s foothold when it formed land in Banua Tonga; Apart from that, it is the place where Guru Tatea Bulan originally opened his forest; a place to store the wealth of the Batak people, in the form of heirloom objects, pustaha laklak, and musical instruments, as the work of Ompu Raja Uti; Batak ancestral graves; a hallway entrance that is interconnected with a cave door elsewhere. Apart from that, under the foot of Mount Pusuk Buhit, there is the village of Sianjur. At first, the Batak people mythologically believe that this is where the ancestral man of the Bangso Batak family, called Si Raja Batak, originated.
