The Tornio River is a significant waterway located in northern Europe, primarily flowing through Finland and Sweden. It stretches approximately 90 kilometers (56 miles) and serves as a natural border between the two countries. The river originates from the Muonio River and eventually empties into the Gulf of Bothnia. The river is known for its clear waters and rich biodiversity, supporting various fish species, including salmon and trout. It also plays a vital role in the local economy, providing opportunities for fishing, tourism, and recreation. The surrounding areas are characterized by beautiful landscapes and a mix of cultural influences from both nations.