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The ITER site is located off of the A51 motorway that links Aix-en-Provence and the French Alps—approximately 35 km north of Aix-en-Provence and 20 km south of Manosque. 

Heading north from Aix in the direction of Sisteron, take exit 17 (Vinon/St-Paul-lez-Durance). At the first roundabout after the toll, turn left (past the CEA entrance) and continue along the D952 roadway towards Vinon-sur-Verdon. You will need to drive several kilometres to reach the ITER worksite entrance (for site visits) or ITER Headquarters.

After 2.2 km, at the second roundabout, continue straight and follow the sign to ITER Headquarters

The main entrances to ITER are located at the third roundabout (see map above):

  • the entrance to the ITER worksite (first right off the roundabout, Entrance B)
  • the entrance to ITER Headquarters (second right off the roundabout, Entrance C)
If you are scheduled for an ITER site visit, please take the first right to Entrance B ("Construction Site") and park your car. Your guide will meet you there.

If you are expected at ITER Headquarters, please take the second right through the gates (Entrance C), park your car in the Visitor Parking Lot, and proceed by foot to the Welcome Building to pick up your badge.

There are two public buses that run from Aix-en-Provence to where ITER is located. The CPA lines 150 (Aix-en-Provence--St Paul lez Durance) and 152 (Pertuis--St Paul lez Durance) stop directly in front of ITER.

The LER line 26 from the Marseille-Provence Airport to Digne-les-Bains stops at the front gate of CEA Cadarache, three kilometres from ITER Headquarters. It also serves the Aix TGV train station.

Major train stations are located in Aix-en-Provence and Marseille:

Smaller train stations are located in Manosque, Meyrargues and Pertuis. For further information please consult

The closest international airport is Marseille-Provence located in Marignane, approximately 1 hour by car from the ITER site. The airport has direct connections with many large international hubs: Paris, London, Frankfurt, Amsterdam. Information can be found on

A second international airport is located in Nice, approximately 2 hours by car from the ITER site. Information can be found at
ITER Headquarters (GPS coordinates: 43.712332° N 5.774817° E 971 ft)