​

PR-HU 89. Castejón de Sos-Arasán

Loop Walk · Aragon

500

XP

about 3 h 25 min walking

Strenuous
12.46 km
Loop
Graded from its length and climb.

Castejón de Sos - Bisaurri - Urmella - Arasán

0 km2 km4 km6 km8 km10 km12 km

1399 m

1154 m

909 m

Scroll along the route · tap the chart to find a point on the map

Heights: Copernicus DEM GLO-30 © DLR e.V. 2010–2014 and © Airbus Defence and Space GmbH 2014–2018, provided under COPERNICUS by the European Union and ESA.

Navigate to the start
Google MapsApple MapsWaze
Weather at the start
More trail info
Route dataFuente de los datos: Gobierno de Aragón (CC BY 4.0), línea simplificadaObra derivada de Senderos FEDME 2020-2026 CC-BY 4.0 FEDME

Steep walk

Some very steep ground — marked on the map.

Climb

557 m

Drop

558 m

Highest

1366 m

Lowest

920 m

Walking time

about 3 h 25 min

Which way round

Anticlockwise: Climbs 20% for 1050 m midway, comes down 22% for 1280 m near the end.

Clockwise: Climbs 22% for 1280 m early on, comes down 20% for 1050 m midway.

Steep ground on both sides in similar amounts — go whichever way suits you.

Main descent: km 9.9–12.4, from 1231 m to 922 m.

How the 12.4 km splits

Flat

1.7 km

Climbing

2.5 km

Steep climbing (10–15%)

0.3 km

Very steep climbing (15%+)

2.0 km

Descending

4.2 km

Steep descending (10–15%)

0.2 km

Very steep descending (15%+)

1.5 km

Link it with other walks

About AVANDRA

Your ultimate trip planner for adventurous getaways.

Quick Links

Trips

Connect With Us

© 2026 AVANDRA. All rights reserved.