Oulujoki is a river located in northern Finland, flowing from Lake Oulujärvi to the Gulf of Bothnia. It spans approximately 100 kilometers and is known for its scenic beauty and diverse ecosystems. The river is an important waterway for local communities and supports various recreational activities, including fishing and boating. The river's basin is home to several towns, including Oulu, which is situated near its mouth. Oulujoki plays a significant role in the region's history and economy, providing resources and transportation routes for centuries. Its natural surroundings also attract tourists and nature enthusiasts year-round.