Occupying a former stretch of the Parenzana Railway — which once connected the Italian city of Trieste with the Croatian city of Pore- — the Parenzana Trail has been transformed from a disused track into a vibrant walking and cycle path. On this 4-hour, small-group biking tour, set off from the town of Buje and pass through the region's magnificent landscapes of rolling hills, vineyards, and historic villages.