Parc naturel régional des Pyrénées ariégeoises, Occitanie, France
8.2 miles (13.2 km) · 1,790 ft elevation gain · Point to Point · trail · Route
Les crêtes de la Vallée du Biros covers 8.2 miles across Parc naturel régional des Pyrénées ariégeoises, Occitanie, France. Runners face 1,790 feet of climbing with 3,799 feet of loss. The most significant ascent covers 1.3 miles and gains 355 feet. Vertical rate measures 219 feet of gain per mile. The course is 51% runnable, with the remainder requiring hiking on steep or technical sections. Trail comprises the majority of the course. Technical difficulty: mountainous. This route ranks at the 74.12th percentile for difficulty among similar distances. Popular among trail runners and hikers seeking Occitanie adventures.
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