Au rond-point de l'autoroute, prendre en face direction Martillac-Montesquieu.
Au 2ème et 3ème rond-point tout droit direction Technopole Montesquieu.
Au 4ème rond-point du breyra toujours tout droit, puis prendre la première route à droite au milieu des vignes. Continuer toujours tout droit à travers les vignes pendant environ 1km, vous êtes arrivés.
Driving to Château Smith Haut-Lafitte:
Take the exit of the ring road marked: "autouroute Toulouse-Langon" to the motorway, then take N°1 exit "Martillac-Montesquieu" and turn right at the top of the ramp.
At the roundabout, keep straight on, following signs to "Martillac-Montesquieu".
At the 2nd and the 3rd roundabout, keep straight on towards "Technopole Montesquieu".
At the 4th roundabout (Breyra), Keep straight on, then turn right at the 1st junction, in the middle of the vineyards. Continue straight on though the vineyards for approximately 1 km, and you will see the Château.