| Image Alt: | Route map of the Donauuferbahn |
| Linelength Km: | 108 |
| Tracks: | 1 |
| Linenumber: | 133 |
| Map State: | collapsed |
The Donauuferbahn is a railway line in Lower Austria. It runs from Krems an der Donau to Mauthausen, near St. Valentin. The line is no longer contiguous; in the middle between Weins and has been abandoned. Austrian Federal Railways (ÖBB) operates services on the western end; NÖVOG operates seasonal services on the eastern end.
The eastern end of the Donauuferbahn is at, where it meets the and . From there, the line runs west along the north bank of the Danube to . This part of the line is also known as the Wachaubahn after the Wachau valley.
Between Weitenegg and Weins the line is abandoned. The track resumes at Weins, although is freight-only until . The line continues running west, following the river, until, where it connects with the . That line is now abandoned north of Mauthausen; the remainder runs south, crossing the Danube to reach .
On the eastern end, NÖVOG runs seasonal trains between Krems an der Donau and . this service consists of four round-trips per day on weekends between March and May, increasing to daily service between May and November.[1]
On the western end, Austrian Federal Railways (ÖBB) operates hourly Regionalzug services between and . On weekdays, every other service runs as a Regional-Express to, bypassing St. Valentin.[2]