I 3 Porcellini [ODbL 1.0] © contributori OpenStreetMap — https://www.openstreetmap.org/relation/5290270 ODbL 1.0 osm 2026-08-29T18:45:52Z I 3 Porcellini mtb 203.5 204.7 215.6 234.2 245.6 274.8 274.5 283.5 280.2 289.9 303.7 311.4 319.5 335.9 352.4 371.7 379.6 392.1 375.9 356.6 352.4 392.1 397.0 405.3 405.7 407.7 408.9 412.7 414.0 418.1 419.8 423.4