The Oulujoki River is a significant waterway in Finland, flowing from Lake Oulujärvi to the Gulf of Bothnia. It stretches approximately 100 kilometers and is known for its scenic beauty and diverse ecosystems. The river is an important resource for local communities, providing opportunities for fishing, recreation, and tourism. The river's basin supports various wildlife, including fish species like salmon and trout. Additionally, the Oulujoki River has historical significance, as it has been a vital transportation route and a source of hydroelectric power for the region. Its surrounding areas are popular for outdoor activities such as hiking and canoeing.