Pista Collina del Serpente [ODbL 1.0] © contributori OpenStreetMap — https://www.openstreetmap.org/relation/18360594 ODbL 1.0 osm 2026-08-29T18:45:52Z Pista Collina del Serpente mtb/gravel 316.4 310.8 304.0 283.2 259.7 247.0 237.1 222.9 221.3 217.5 217.8 205.1 200.4