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 108 kilometres (67 mi) of which 41 kilometres (25 mi) is currently operational. The track gauge is 750 mm (2 ft 5 1⁄2 in). The Head Office of the narrow gauge railway is located in the Arkhangelsk Oblast Severodvinsk.