Mare à Mare Nord Variante

relie Sermano à Marignana via le refuge de L’Onda

This 89.9 km route is a major undertaking — excellent fitness, reliable navigation, and multi-day planning are required. End-to-end time is roughly 19 hours and 58 minutes.

Point-to-point in layout, this trail takes you from A to B across the landscape. Consider your return logistics before heading out. Follow the GRP waymarkers throughout to stay on the official trail line.

This trail forms part of the Regional Walking Network (RWN), linking local communities and natural features across the region. Waymarking is managed at the regional level.