The trail runs through the chestnut trees in the Liro valley to reach the pasture of Ciosino and Prennaro. One of many opportunities to enjoy the peaceful mountainside and amazing views in Altolario.
| Starting point | Church of St. Martino - GRAVEDONA ED UNITI |
| Minimum altitude | 470 m |
| Maximum altitude | 1000 m |
| Height difference | 530 m |
| Length | 13 Km |
| Duration | 2h |
| Difficulty | Medium difficulty |
| Uphill terrain | 90% asphalted road - 10% dirt road |
| Downhill terrain | 50% trails and mule tracks - 50% asphalted road |
