Kotlas is a town in Arkhangelsk Oblast, Russia, located at the confluence of the Northern Dvina and Vychegda Rivers.
Kotlas is the third largest town of Arkhangelsk Oblast in terms of population (after Arkhangelsk and Severodvinsk) and an important transport hub.The Church of St. Stephan of Perm was built in 1788, and the adjacent
bell-tower was built in 1825. Both are protected at the local level as
architectural monuments, as is Narodny Dom, a wooden house built at the
beginning of 20th century.