From June 20th until July 4th and due to traffic works, you can only enter the Kasteellaan coming from the Lousbergbridge. 

To reach the hotel and coming from the Highway, take the exit Gent – Centrum (B401) and drive straight ahead (Zuidparklaan) until you reach Woodrow Wilsonplein

Turn right into the Zuidstationstraat

On the roundabout (Sint-Annaplein) take the second exit (Nieuwebosstraat, later on Langerbruggestraat)

Cross the bridge (Lousbergbrug), you are now in the Kasteellaan

The hotel is located on the other side of the street. 

Coming from Dampoort roundabout you drive onto the ringroad and you turn right at the second lights, into the Forelstraat. At the end of the street you turn right onto the Ferdinand Lousbergkaai. You follow the road until you reach the Lousbergbrug where you turn right into the Kasteellaan. You will find the hotel at the other side of the street.