Bossòst | Margalida | Arres | Pònt deth Lop | Bossòst
Diffficulty: Very Difficult
Distance: 21.8 km
Time: 5h 30′
Summer and Autumn
Asphalt: 8%, Earth 65%, Path 27%
This is both a technically and physically difficult trail. The entire climb coincides with trail 5 just past the Arres reservoir.
The starting point of the route lies beside the Bossòst tourist information office, right next to the River Garonne. Cross the River Garonne and take the footpath towards Arres. At km 1.5, take the dirt track to Margalida and head across the entire valley until you reach the mines with the same name. Continue along the track and you’ll reach the Arres reservoir downhill, where the route by foot from the Victoria mines begins. This is highly recommended.
Follow the Victòria mine route and before entering the forest, take the left lane, which starts with a sharp descent. You’ll cross the track leading to the village of Arres de Sus. From here, you won’t find the GR 211 signposts until you reach Bossòst. Follow the wide lane to Arres de Jos where you will encounter quite a technical trail. It will take you from Arres de Jos to Pònt deth Lop, at the level of the Garonne. Without crossing the river, follow the track, which will quickly become a very technical trail until you reach Pont de Hèr. Take the Camin Reiau from here, which is mostly paved and flat until Bossòst.