The Grand Trail of the Ossau Valley (GTVO) is an iconic trail race in Béarn, spanning 72 km with a positive elevation gain of 4600 m. Participants traverse the Ossau Valley, connecting Marie-Blanque to Aubisque, passing through ridges and summits. The course, 83% of which is on single-track trails, offers spectacular Pyrenean landscapes.
Runners can participate solo or in teams of two. The finish line is in Laruns, in a festive and friendly atmosphere. The GTVO highlights values of solidarity, simplicity, and team spirit. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
72 km
4600m+
Gtvo Solo
37 km
2250m+
Gtvo Relais 1
35 km
2350m+
Gtvo Relais 2