Sianok canyon is a steep valley (cliff) that located in the border town of Bukittinggi, in district IV Koto, Agam regency, West Sumatra. The valley is elongated and meandering as the southern boundary of the city to the canyon Koto Gadang Sianok Anam tribe villages, and ended in the district Palupuh. Sianok canyon has beautiful views and is also one of the prime tourist attractions of the province.
The cliff at Sianok is deep, which is about 100 m, stretches along 15 km with a width of about 200 m, and is part of the fault that separates the island of Sumatra in half lengthwise (Semangko fault).
Sianok rod is now can be forded by using canoes and kayaks, which transported by a water sports organization, “Qurays”. The route taken is from the villages to the ellipse Sitingkai Lambah Palupuh villages for about 3.5 hours. At the edge of the area, there are also the rare Raffles plants and herbs. The fauna that encountered such long-tailed monkeys, gibbons, hoop, deer, wild boar, leopard and tapir.