When you are on the TOULOUSE - BARCELONNE - MONTPELLIER motorway, you will take the 66 TOULOUSE - ANDORRE - FOIX motorway.
You will exit at exit 2 MAZÈRES SAVERDUN.
You count 3 roundabout, and you will take direction BELPECH TRUCKS.
At 800 m you will take the right path and at 500 m you will take the left path ...
You are in SERMETTOU