Arrival by car
Green sign: D906
From the Paris ring-road (périphérique)
Exit: Porte de Châtillon Montrouge.
Go in the direction of Montrouge Versailles (green sign) on the D906 (to the left if you are on the interior ring-road and to the right if you are on the exterior ring-road).
Continue straight on for 1.7km until the railway bridge.
There is a first set of traffic lights under the bridge; continue straight on and at the second set of lights turn immediately right.
You are on Rue Paul Vaillant Couturier. The Hotel ERASMUS is 150 metres away, at number 28 of this street, on the right hand side.