A21 - Punta di Migiandone - Cima Tre Croci

Very long route with a lot of altitude difference but the Cadorna Line is interesting with trenches and paved mule track with imposing retaining walls, the last stretch to the summit is deteriorated but still visible in places

Covering 12.4 km, this is a substantial hike requiring a reasonable base fitness. Most walkers complete it in about 2 hours and 45 minutes.

This linear trail moves from one end to the other without looping back. A return journey by transport — or retracing the path — is needed to get back to the start. Follow the A21 waymarkers throughout to stay on the official trail line.

As a Local Walking Network (LWN) route, this trail has a strong community character. It serves both regular local walkers and visitors discovering the area for the first time.