Georef. | | | Itinerary | Travelling method | | Interest |
| | | | | | |
| | | Cogne Valley Valle di Cogne Departure: Aymavilles (PN Gran Paradiso) | | By bike Demanding | |
| | | Col de Carisé - Coda Mountain Hut Trail 3 Departure: Pian dou Coumarial 1450 m (Fontainemore 760 m) (RR Mont Mars) | | On foot 3.30 hours (or 5.00 hours from Fontainemore) | |
| | | Col dei Piais Departure: Parcheggio Conca Verde, centro paese di Claut (600m slm) (PR Dolomiti Friulane) | | On foot | |
| | | Colbricón Small Lakes Departure: Passo Rolle (PR Paneveggio - Pale San Martino) | | On foot | |
| | | Colle Chardoun Trail 2B Departure: Fr. Pillaz 1246 m (Fontainemore 760 m) (RR Mont Mars) | | On foot 3.30 hours (5 hours from Fontainemore) | |
| | | Colle dell'Orsiera Ski-touring Itineraries Departure: Prà Catinat (PR Orsiera Rocciavrè) | | On foot 3 h | |
| | | Colle della Barma Trail 2 Departure: Fr. Pillaz 1246 m (Fontainemore 760 m) (RR Mont Mars) | | On foot 3.30 hours (5 hours from Fontainemore) | |
| | | Colle della Bottigia (Massero Mountain Hut) Carcoforo (PR Alta Valsesia) | | On foot demanding 4 h 30 m | |
| | | Colle della Valletta (2,690m) from Meys (2,000m) Itinerary no. 18 Departure: Meyes (PR Val Troncea) | | On foot T - Tourist (level) 2 h | |
| | | Colle delle Finestre: A Road for Pilgrims and Smugglers Departure: San Giacomo di Entracque (PR Alpi Marittime) | | On foot 4 h | |
| | | Colle di Fenestrelle: A View over Gelàs and Argentera Departure: Area attrezzata del Lago della Rovina (PR Alpi Marittime) | | On foot 2 h 45 m | |
| | | Colle di Ranica Ring-route Trail in the hills Departure: Localita Croce dei Morti (PR Colli di Bergamo) | | On foot easy 1 h | |
| | | Colle Gragliasca Trail 2A Departure: Fraz. Pillaz 1246 m (Fontainemore 760 m) (RR Mont Mars) | | On foot 3.30 hours (or 5 hours from Fontainemore) | |
| | | Colle Orsiera Tours Departure: Prà Catinat (PR Orsiera Rocciavrè) | | On foot 2 h 15 m | |
| | | Comerio - Forte di Orino Trail 11 Departure: Comerio, Via Sacconaghi, linea FNM Milano - Varese - Laveno (PR Campo dei Fiori) | | On foot 2 h | |
| | | Comerio - Forte di Orino Trail 12 Departure: Comerio, Via Mattello, linea FNM Milano - Varese - Laveno (PR Campo dei Fiori) | | On foot 3 h | |
| | | Connection Col Fussy-Col Medzove and vice-versa Departure: Col Fussy (PR Mont Avic) | | On foot E - Hiking (level) 1h - 1h and 15' | |
| | | Coppo Small Lake (2,183m) from Ponte del Guat (1,528m) - malga Frino (1,695m) (PR Adamello lombardo) | | On foot For hikers, with some difficult stretches 2 h | |
| | | Cornetta - Fanta - Fosse Trail no. 16 (PR Lessinia) | | On foot 2 h 30 m | |
| | | Corno della Vecchia Lakes (2,334m) from Rasega in Val Saviore (1,174m) (PR Adamello lombardo) | | On foot Easy, but long 4.45 hours | |