Some indications :

From Perigueux, go to the D8 towards Bergerac. In Vergt, turn left towards Veyrines de Vergt, then after 5 km turn right and take the "chemin du Château de Bourginel". It is an avenue of lime trees. We are at the number 175, just after the castle.

From  Bergerac,  go to the D21 route de Périgueux. After about twenty km turn right on the D42 towards Le Bugue / St Amand de Vergt, then left on the D42E2. Le chemin du château de Bourginel will be on your left, it is an avenue of lime trees. We are at the number 175, just after the castle.