Bukittinggi is famous as a highland city which is famous for its hilly natural contours. The natural conditions around this city become an individual gift for this city with cool air. Apart from being blessed with fertile land, this city has a very beautiful natural panorama in almost all directions, so that it becomes an attraction for the tourism sector. One example of this beauty is the panorama offered around Ngarai Sianok.
Ngarai Sianok is an eternal valley with steep hills with a small river in the middle. The contours of the Sianok Valley were formed due to the process of descending part of the earth’s plate, causing a fault in the form of a steep ravine.
This canyon stretches for 15 km from the south side of Nagari Koto Gadang to Nagari Sianok Enam Suku, with a cliff depth of up to 100 meters and a gap width of about 200 meters.
This fault in Sianok is part of the Semangko Fault which divides Sumatra Island into two parts extending from Aceh to Semangka Bay in Lampung. The Semangko fault itself is the location of the fault that forms the Bukit Barisan Mountains.
Sianok canyon is the clearest visual …