The Langinkoski Imperial Fishing Lodge is a historic fishing lodge located in Kotka, Finland. Built in 1889 for the Russian Emperor Alexander III, it served as a retreat for the imperial family. The lodge is situated near the Langinkoski Rapids, providing excellent fishing opportunities, particularly for salmon. Today, the lodge is a museum that showcases the lifestyle of the imperial family and the history of fishing in the area. Visitors can explore the beautifully preserved building and its surrounding nature, making it a popular destination for both history enthusiasts and nature lovers.