Niederdollendorf railway station is a station on the East Rhine Railway (German: Rechte Rheinstrecke) in the Königswinter suburb of Niederdollendorf in the Rhein-Sieg-Kreis district of North Rhine-Westphalia, Germany. It is a protected as a monument. The station was opened on 11 July 1870 as part of the extension of the East Rhine Railway from Neuwied to Oberkassel. The station is served hourly by Regional-Express service RE 8 (Rhein-Erft-Express) and Regionalbahn service RB 27 (Rhein-Erft-Bahn), which complement each another to provide an approximate half-hourly service. * *