Langinkoski Nature Reserve is located in Finland, near the town of Kotka. It covers an area of approximately 45 hectares and is known for its beautiful landscapes, including rivers, forests, and diverse wildlife. The reserve is particularly famous for the Langinkoski River, which is a popular spot for fishing and nature walks. Established in 1990, the reserve aims to protect the unique ecosystems and natural beauty of the region. Visitors can enjoy various outdoor activities, such as hiking and birdwatching, while exploring the rich flora and fauna. The area is also home to the historic Langinkoski Imperial Fishing Lodge, built for the Russian Emperor Alexander III.