1. Take line "S13" in the direction to "Horrem".
2. Leave the train at "Cologne Trade Fair / Deutz" ("Köln Messe/Deutz").
   Follow the instructions to the the subterranean tram station and go to platform of tram "Line 9" in direction of "Sülz" or "Universität".
3. You will ride the tram "Line 9" for 6 stations.
4. Leave the tram "Line 9" at "Dasselstraße, Bahnhof Süd".
   Turn left and go until you reach a traffic light and a crosswalk.
   Cross the street ("Zülpicher Straße"). 
   You will see a grey building in front of you (the institute for biochemistry).
   Move along the street on the right side of the building.
   After roughly 100 meters you arrive at the Biocenter (Biozentrum).

You arrived at your destination.

Arrival at Cologne Central Station ("Hauptbahnhof Köln")

1. Follow the instructions to the tram station "Dom/Hauptbahnhof". 
   Follow the instruction to the platform of the tram "Line 18" in the direction of "Bonn", or "Klettenberg", or "Brühl".
2. Ride the tram "Line 18" for 5 stations and leave the tram at the station "Eifelwall".
3. Turn left and follow the platform to its end. Turn left and cross the street ("Luxemburger Strasse").
   Turn right until you reach the next street to your left ("Luxemburger Wall"). 
   Turn left and follow this street ("Luxemburger Wall") for approx. 100 meters. 
   You will see several green houses to your left and in front of you will see a car park barrier. 
   Move along this barrier and you will arrive at the Biocenter ("Biozentrum")

You arrived at your destination.

By Car

From North (A57)

1. Follow the A57 south until it ends, turning into the K4.
2. Take a right at the exit "Lindenthal/Müngersdorf/Herkulesstr.", continuing on "Innere Kanalstraße" for 3 km (halfway the street name changes into "Universitätsstraße").
3. Past an underpass you cross "Zülpicher Straße". After that make a u-turn and take a right into "Zülpicher Straße".
4. Continue for 500m until you are in front of a train bridge underpass - righthand is the Biozentrum.

From South (A3)

1. Coming from south on the A3, exit onto the A4, continuing for about 3 km.
2. At the interchange #14 ("Kreuz Gremberg"), keep right and follow the A559 direction Köln-Deutz for 1 km.
3. Keep left and follow the signs directing to "Zentrum/Deutz", continuing on "Östliche Zubringerstraße/L124" for 2.5 km.
4. Take the exit in direction "Zentrum" and follow the B55, crossing the Rhine.
5. After 3.5 km take a left onto "Luxemburger Str." (B265), following it for another 1.1 km.
6. Take a right onto "Universitätsstraße".
7. After 500m take another right onto "Zülpicher Straße".
8. Continue for 500m until you are in front of a train bridge underpass - righthand is the Biozentrum.

Parking

There is a big parking lot at the following location (fee-based, 10 minute walk to workshop location):

Unicenter
Greinstraße 9
50937 Köln

Please have also a look on this map for further parking facilities.