Muhos is a municipality of northern Finland. It is located in the province of Oulu half an hour's drive (35 km) on route 22 from the city of Oulu, the capital of Northern Finland, and is part of the Northern Ostrobothnia region. The municipality has a population of 8,761 (31 August 2024) and covers an area of 797.26 square kilometres (307.82 sq mi) of which 13.78 km2 (5.32 sq mi) is water. The population density is 11.17 inhabitants per square kilometre (28.9/sq mi).
The river Oulujoki flows through the town and its countryside with the wide open plains of Ostrobothnia on the south side of the river and the forested hills of Kainuu on the northern side.
Located in Muhos is the Pyhäkoski hydro-electric power plant which was commissioned in 1949 and has the highest fall in Finland (32.4 m). The power station has been designed by renowned Finnish architect Aarne Ervi.