By Car: Follow the signs to Flughafen Köln-Bonn (Airport CGN), leave the highway A59 at the exit "Porz-Wahn/-Wahnheide" south of the Airport interchange and turn east on the Heidestrasse. Continue south along the Linder Mauspfad following blue on white signs "ETW" until you reach a traffic lights to turn east (left) into the Ernst-Mach-Strasse, after 300m turn right towards the ETW entrance gate.
By Train: Arriving at Köln Hauptbahnhof (Main Station) proceed with city railway line S12 direction “Au (Sieg)” or S13 direction "Troisdorf", to station "Porz-Wahn", take taxi to ETW or call us.
By Air: After arrival at Flughafen Köln-Bonn (Airport CGN) take taxi to ETW or call us.
Navigation: /// fronted.daylight.nitrogen at GPS coordinates N50.85108°, E7.12016°.
51147 Köln, Germany
Fax: +49 (2203) 609-124,