From Cologne main station, you take the subway (lines 5, 16 and 18) to the stop Ebertplatz (two stations)...
From Hansaring Cologne you can take the subway (lines 12 and 15) to the stop Ebertplatz (one station)...
... then take the exit Riehler Straße. In front of you at the Aral petrol station turn right into the Sedanstraße. After about 20 meters on your right you can see the hotel parking lot, through which you reach the hotel entrance.
Arriving by car
A57 direction Köln Zentrum Zoobrücke/Messe uo to exit Zoo/Flora...
A4 direction Zentrum/Messe, on the Zoobrücke take the exit Zentrum/Rheinufer
... then take Konrad-Adenauer-Ufer, turn left at the Bastei into Theodor-Heuss-Ring, at the Ebertplatz turn right to Riehler Straße. Before the Aral petrol station turn into the Sedanstraße, next possibility turn left into the Belfortstraße.