Riosucio is a town and municipality in the department of Caldas in Colombia. It is best known for its biennial carnival, officially called the Carnival of Riosucio but commonly known by its former name of the "Carnival of the Devil", and is one of the biggest and most popular carnivals in Colombia. Located along the Colombian coffee growing axis, the municipality was made part of the "Coffee Cultural Landscape" UNESCO World Heritage Site in 2011.
The municipality is located in the west of the department. It is bounded by the municipality of Supía to the east, the municipality of Filadelfia to the south-east, the department of Risaralda to the south and west, and the department of Antioquia to the north. The total area of the municipality is 429.1 km2. The town of Riosucio lies at an altitude of 1783 meters above sea level, 91 km west of the departmental capital Manizales.
