public: tram m21 / gustav-holzmann-str. or s-bahn rummelsburg and a 10min walk car: there are plenty parking lots on the backyard. bike: take the super nice bicycle path next to the river spree. the entrance is at the backside of the building. if you enter from hauptstraße walk into the courtyard and pass the building on your left. you will find entrance A on the back. if you come from the side of the spree, pass the climbing hall "Ostbloc".