Trail #4 is a short and scenery trail. 10 km long with a climbing of 300 m. From San Leonardo the trail goes down to the Sanctuary of La Pietrina where you can enjoy a magnificent view over Volterra and the Era Valley.

From La Pietrina you are going to descend to Palagio and then climb again to Iano, San Vivaldo and eventually San Leonardo. 70% off-road and 30% asphalt. Startin/ending point: San Leonardo (600 m. south of San Vivaldo). 2 Cafés/restaurants in Iano. Public water standpipe in Palagio and Iano.