Ryen is an underground station in Oslo's public transport system. It is located on the Østensjølinjen, which is part of the extensive network of subway lines in the city. The station opened in 1970 and has since been an important transport hub for both commuters and residents of the area.
The station serves several nearby residential areas and provides easy access to various services and facilities. Ryen has modern facilities for travellers, including ticket machines and information boards. It is also adapted for people with reduced mobility, which makes it accessible to a wide range of users.