Running in Valles Occidentales is one of the best ways to explore more of this region. To help you discover the most beautiful places to run, we’ve reviewed our full collection of routes in Valles Occidentales—and are proud to present the best running trails. Click on any of the routes for more details and browse real tips and photos uploaded by other runners.

Castillo d'Acher - trail running from Selva de Oza	Expert 02:36 12.9km
Ibon de Acherito - trail running circular from Selva de Oza	Expert 01:58 10.9km
Valle de Aisa – Pico Aspe trail running desde La Cleta	Expert 02:10 9.69km
Boca del Infierno – circular trail running route via the Calzada Romana and the Senda de Los Ganchos – Valle de Hecho	Expert 01:20 7.96km

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Map data © OpenStreetMap contributors
1
1
Castillo d'Acher - trail running from Selva de Oza
02:36
12.9km
12:07/km
1,140m
1,140m
Expert
66
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Map data © OpenStreetMap contributors
2
2
Ibon de Acherito - trail running circular from Selva de Oza
01:58
10.9km
10:50/km
650m
650m
Expert
5.0
(1)
54
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Map data © OpenStreetMap contributors
3
3
Valle de Aisa – Pico Aspe trail running desde La Cleta
02:10
9.69km
13:25/km
1,080m
1,080m
Expert
15
Expert run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
Map data © OpenStreetMap contributors
4
4
Boca del Infierno – circular trail running route via the Calzada Romana and the Senda de Los Ganchos – Valle de Hecho
01:20
7.96km
9:59/km
400m
390m
Expert
12
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.