The forts of Colle di Tenda – loop tour

The forts of Colle di Tenda loop tour offers a challenging hike through the border region between Italy and France. You will encounter varied terrain, from old military mule tracks to steep climbs on narrower paths, with some rougher sections and loose stone. As you hike this difficult 9.9-mile (16.0 km) route, expect spectacular panoramic views of the Maritime and Ligurian Alps, often stretching all the way to the sea. The trail winds through high alpine valleys, providing sweeping views into both Italy and France, especially beautiful with wildflowers in spring. This route involves a significant 2136 feet (651 metres) of elevation gain, typically taking around 5 hours and 11 minutes to complete.

Planning for this hike requires a good to very good level of fitness. The trail is considered difficult, so you should be sure-footed and wear sturdy shoes. Some sections may require alpine experience due to steep climbs and rougher terrain. The Colle di Tenda pass serves as a common starting point for this and other high-mountain excursions in the area. Be prepared for the varied conditions and the physical demands of the route.

What truly sets this trail apart is its unique blend of history and natural scenery. The loop provides a direct encounter with imposing fortifications from the late nineteenth century, such as Fort Central, Fort Tabourde, and Fort Pépin. These forts were built by the Kingdom of Italy between 1877 and 1888 to defend its borders. The trail runs along the crest that divides Italy and France, giving you a continuous sense of being on an important historical and geographical boundary. The entire area is part of an extensive network of military roads built during World War I, many of which are now maintained for recreational activities.