The Kudemskaya narrow-gauge railway is located in Arkhangelsk Oblast, Russia. The narrow-gauge railway, a former forest railway, was opened in 1949 and has a total length of , of which is currently operational. The track gauge is . The head office of the railway is located in the Arkhangelsk Oblast, Severodvinsk.
The total length of the Kudemskoy narrow-gauge railway at the peak of its development exceeded . The main station is located in the village of Beloye Ozero; the Vodogon station is located on the western outskirts of the city of Severodvinsk. Passenger trains between Vodogon and Beloye Ozero are scheduled five times a week. The railway also transports food, mail and fuel. In 2010, this railway appeared in the Forbes ranking of the 10 most beautiful railway routes in the world. In 2013, a new passenger car was purchased for the route.