From Rome Fiumicino Airport (approximately 1h). Take the A12 motorway and exit at junction marked "Santa Severa". Here follow the road signed "Tolfa".         Click to enlarge the map - or View the Google map     This winding mountain road lasts for approximately 19 km and offers spectacular scenery as the road climbs to the top and reaches Tolfa. It takes about twenty minutes from the port of Civitavecchia.