From Millau or Montpellier, take highway A75 direction Beziers and take exit n°57 Clermont l'Hérault.
In Clermont l'Hérault drive direction "Lac du Salagou"
About 1 km after going out of the city Clermont L'Hérault turn right to "Les Bories".
Follow road signs "Mas de Font Chaude" (1.3 km)
Please, don't pay attention to GPS indicactions: the small road from the Bories to Mas de Font
Chaude is dead end, it is impossible to drive to Mas de Font Chaude from Lacoste (unlike GPS y googlemap show...)