I have not been inside this hostel but as it is in a very nice location I thought I could give you the details here in case you are searching for a place to stay.
Unique Quality: The hostel is in Oberkassel which is the poshest part of town directly at the Rhine (opposite the old town). Just walk over the bridge (Rheinkniebrücke) from the port and you are there.
Prices range from 20,70 to 25,30 € (which is quite expensive for a hostel if you ask me ;)
Directions: Take subway 70, 74, 75, 76, 77 to Luegplatz and walk a kilometre along the Rhine. There's a bus from "Landtag" (No. 835 or 836, direction Oberkassel) as well. The bus stop is called "Jugendherberge"
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