From Agde, Béziers and Valras,
take the A75 motorway (free) at Pézenas or Béziers and drive towards Lodève/Millau. At the junction, take the A750 towards Montpellier, then the exit n° 59 towards Gignac. Then follow signposts for Aniane and St-Guilhem-le-Désert.
From La Grande Motte, Port Camargue, Carnon, Palavas,
pass by Montpellier, take the A750 motorway (free) towards Lodève/Millau then the exit n° 59 towards Gignac. Then follow signposts for Aniane and St-Guilhem-le-Désert.