Port of Oulu (Oulun satama in Finnish) is a complex of three separate harbours located at the mouth of Oulujoki river in Oulu, Finland. Port of Oulu is a corporation owned by the City of Oulu. Annual average of 3 million tons of cargo is shipped on 500 vessels. Two of the ports, Nuottasaari and Oritkari, are also rail-served.