Realp railway station is a metre gauge station serving the municipality of Realp, in the Canton of Uri, Switzerland. The station is close to the eastern portal of the Furka Base Tunnel, on the Matterhorn Gotthard Bahn (MGB), which connects Brig in Valais, via Andermatt in Uri, with Göschenen, Uri, and Disentis/Mustér, Graubünden. Since 1 January 2003, the FO has been owned and operated by the Matterhorn Gotthard Bahn (MGB), following a merger between the FO and the Brig-Visp-Zermatt railway (BVZ).

The Furka Base Tunnel is a Swiss railway base tunnel on the Matterhorn Gotthard Bahn's Furka–Oberalp line, an east–west railway connecting the cantons of Valais and Uri. Its west portal lies east of Oberwald (VS), at 1,390 m (4,560 ft) above sea level and its east portal lies south of Realp (UR), at 1,550 m (5,090 ft).