How to get GEOPS

The laboratory is located on the Orsay campus of the University Paris-Saclay, about 25 km southwest of Paris.

By public transport

• Option 1 : By RER B, direction Saint-Rémy les Chevreuse, station “Massy-Palaiseau” then take the bus line 91-06 (Christ / N306, Saclay / GARE DE MASSY PALAISEAU, Massy) to the stop “Université Paris-Saclay, Orsay” – Walk to GEOPS, 10 minutes, flat.
• Option 2 : By RER B, direction Saint-Rémy les Chevreuse, get off at “Le Guichet” station and walk up to GEOPS (about 15-20 min).

From Paris-Orly airport, take the OrlyVal to “Antony” and then the RER B
From Roissy-CDG airport, take the RER B directly on the entire line through central Paris to “Massy-Palaiseau” or “le guichet”.

By car

Go to the coordinates (48.70653, 2.17937)  or :
Take the RN118.
Take exit 9 (Centre Universitaire) and follow Orsay Université and Gendarmerie towards rue du Belvédère.