The ridges of the Biros Valley is a 6.3 mile (15,000-step) route located near Bonac-Irazein, Occitanie. This route has an elevation gain of about 1407.1 ft and is rated as hard. Find the best walking trails near you in Pacer App.
Last updated: Nov 1, 2026
Route Details
Length
6.3 mi
Elev. Gain
1407.1 ft
Est. Steps
15000
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