Bad Honnef is situated in the vicinity of Bonn and is served by two main airports (Cologne-Bonn and Frankfurt). It can easily be reached by train (stations Rhöndorf or Bad Honnef) or by commuter train (Bonn's S-Bahn).

Please consult the internet page of the Physikzentrum Bad Honnef for a detailed description, or download a location plan and city map.