From Autobahn A3 (motorway Cologne-Frankfurt):
Take slip road "Siebengebirge"
towards Königswinter (right)
50 m onwards: Itenbach
traffic lights (pedestrians)
after 200 m: turn left into Hardtweg
Fifth house on the left-hand side
From Rhine Valley:
A59 / B42n-(four track) take slip road "Königswinter",
turn left at traffic lights, ascend mountain.
After ca 5 km you reach the by-pass and then drive downwards.
After 2 km, you arrive at the valley.
Turn first road right : Hardtweg
Turn first road left:
Fifth house on left-hand side
By bus, train and plane
Station : "Königswinter Hbf"
"Bonn Hbf" + tram 66 to "Königswinter - Clemens August-Str."
then take Bus No. 521 from Königswinter direction "Oberpleis" to stop "Zur Linde"
Airport Cologne - Bonn ca.30km
or airport Frankfurt 120km