Limapuluh Kota (meaning the fifty states or fifty towns in the Minangkabau language) is a regency of West Sumatra. It has an area of 3,354.53 km² and a population of approximately 312,500 people. It is located in the northern part of West Sumatra and shares land border with Riau Province in the east. This regency is famous for the magnificent Harau Canyon which offers beautiful scenery of valley with dark-brown-colored rocky cliff surrounded by paddy fields and lush green trees. There are also fascinating megalith sites in Limapuluh Kota regency, in the bowl-shaped Mahat Valley. This valley is surrounded by steep mountains with hundreds or maybe even thousands of megaliths.