By train

• From Cologne:
  1. Direction Koblenz (right side of the Rhine River). Step off at Rhöndorf or Bad Honnef (duration 45 min). Walk to PBH (distance 2.5 km, see City Map) or take a taxi (about € 5).
• From Frankfurt:
  1. Via Siegburg or Cologne to Rhöndorf (duration 2.5 hour)
  2. Alternatively via Koblenz to Rhöndorf (much cheaper! same duration)
• From Bonn (main railway station):
  1. Take a taxi from the front of the railway station to PBH (distance 18 km, about € 25)
  2. Alternatively take the commuter train (S-Bahn) No. 66 destination Bad Honnef (duration 35 min). Step off at “Am Spitzenbach”. Walk to PBH (400 m, see City Map)

From Airport

• From Airport Köln-Bonn:
  1. Direct train connection to Rhöndorf every hour, duration 32 min
  2. Alternatively take a taxi to the Physikzentrum (38 km, fare about € 40)
• From Airport Frankfurt:
  1. Train via Siegburg or Cologne to Rhöndorf (duration 2.5 hour)
  2. Alternatively train via Koblenz to Rhöndorf (much cheaper! same duration)

By car

• From the North: motorway A3 to “Autobahn-Dreieck Heumar” than motorway A59 direction “Bonn/Köln Airport” or “Bonn/Königswinter”. A59 continues as B42 to Bad Honnef, exit “Rhöndorf”. Follow the “Rhöndorfer Straße” to “Hauptstraße”, after 2 km from the exit you will see PBH on the left side. Attention: radar speed control -max. 50 km/h- in Rhöndorf.
• From the South: motorway A3 Frankfurt-Köln exit “Bad Honnef/Linz”. After approx. 4 km turn to the right at the first intersection with traffic lights and follow the valley down to Bad Honnef. Attention: radar speed control -max. 60 km/h- before entering Bad Honnef. Cross the city in northern direction (see City Map) and find PBH on the right side.