Join the 2025 Grand Trail of the Ossau Valley: 74 km and 4600 m of positive altitude difference in one of the wildest corners of the Pyrenees. From the Col de l'Aubisque to Marie-Blanque, via forgotten crests and breathtaking views, the GTVO takes you on an extraordinary trail journey. Solo or relay formula, for those who want to suffer... in pairs. The shorter but just as intense TVO will delight fans of steep slopes and raw beauty. A sporting adventure not to be missed, to be experienced in Laruns!
🏁 Departure At 5:00am from Laruns
7.1 km : Arrioutort cabin, 1084 m D+ — serious matters start with a solid climb
16.1 km : Launda hut, 1700 m D+ — between scree fields and mountain pastures, a delightful break is essential
Km 24.5 : Houndas Chapel, 1773 m D+ — a nice descent as a bonus to relieve the legs
Km 37 : Louvie-Juzon, 2250 m D+ — relay point for the teams, and strategic moment for the solos
Km 43 : Port de Castet, 3172 m D+ — regular ascent, open landscapes and full nature
Km 49 : Col de Jaout, 3872 m D+ — it's a steep climb, but worth the view
Km 60.2 : Col d'Aubisque, 4559 m D+ — symbolic summit, guaranteed high mountain atmosphere
🏁 72 km : Back to Laruns with 4600 m D+ on the clock — technical descent and a challenging but exhilarating finish
⛽ Refreshments: 7 points throughout the course (R1 to R7), alternating hydration and strength
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