The Trondhjem–Støren Line (Norwegian: Trondhjem–Størenbanen) was Trøndelag's first railway. It opened in 1864, ten years after the Trunk Line between Oslo and Eidsvoll opened. The 49 kilometer long (later 51.1 km) railway line was narrow gauged (1,067 mm (3 ft 6 in)) and went between Trondheim and the Støren village in Midtre Gauldal municipality in the county of Sør-Trøndelag, Norway. The railway had its station, Trondhjem Kalvskinnet Station, in , crossed the Nidelva river on a newly constructed railroad bridge to Elgeseter, the Elgeseter Bridge.