The Langinkoski River is a picturesque waterway located in Finland, flowing into the Gulf of Finland. It is known for its scenic beauty and rich natural surroundings, making it a popular spot for outdoor activities such as fishing and hiking. The river is also home to various species of fish, including salmon, which attract anglers from different regions. The river is part of the Langinkoski Nature Reserve, established to protect its unique ecosystem. Visitors can enjoy walking trails along the riverbanks, where they can observe the diverse flora and fauna. The area is also historically significant, as it was once a favorite fishing spot for the Russian Emperor Alexander III.