Nydalen Station (Norwegian: Nydalen holdeplass) is a railway station on the Gjøvik Line in Oslo, Norway. The station was built opened in 1946, and is located between Grefsen and Kjelsås. Like most of the local Oslo stations on the Gjøvik Line, Nydalen is a small station. It is unmanned, has only a single wooden platform, and is served only by commuter trains. Close by, but not in connection, is the a subway station with the same name, Nydalen. On December 23, 2009, the station was reopened following upgrades to the station infrastructure.