Walter-Flex Straße 3
If possible please use the B54n (Hüttentalstraße), leave at the exit Stadtmitte / Freudenberg and drive towards Freudenberg into the Freudenberger Straße. After the tunnel turn left into the (old) Freudenberger Straße towards "Berufliche Schulen / Universität ENC", then at the second set of traffic lights right into the Fischbacherbergstraße. After approx. 500m turn right at the traffic lights into the Friedrich-Ebert-Straße and directly left into the Walter-Flex-Straße.
Trains from Frankfurt:
Take the regional express trains RE99 via Gießen to Siegen Main Station. From there take the bus or taxi.
Trains from Cologne:
Take the regional express train RE9 from Cologne or Siegburg (ICE-Train Station) to Siegen Main Station. From there take the bus or taxi.
Trains from Hagen or Bad Berleburg
Take the regional express train RE16 or local train RB91 from Hagen or the local train RB93 from Bad Berleburg to Siegen Main Station. From there take the bus or taxi.
Bus from Siegen Main Station (ZOB):
From the Main Station (ZOB) take the bus C114 to the bus stop Emmy-Noether-Campus. From the bus stop walk against the driving directions to the traffic lights and via the Friedrich-Ebert-Straße and Walter-Flex-Straße to the Emmy-Noether-Campus.
The best way to reach Siegen by airplane is to fly to Frankfurt, Köln-Bonn or Düsseldorf and then take a train or rent a car.