The Kudemskaya narrow-gauge railway is located in Arkhangelsk Oblast, Russia.

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 100 kilometres (62 mi).

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.