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Spain
Aragon
Huesca
Sobrarbe
La Fueva

Mediano Reservoir Loop Trail

Moderate

4.5

(4)

21

hikers

Mediano Reservoir Loop Trail

02:59

9.81km

330m

Hiking

Hike a moderate 6.1-mile loop to Castillo de Samitier and the iconic submerged Iglesia de Mediano, with panoramic Pyrenees views.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

3.80 km

Samitier Castle

Highlight • Castle

Also called Mondoto Castle, it is a religious-military complex that stands out for the remains of the hexagonal tower of the castle and the hermitage, good examples of Romanesque architecture. The hermitage is dedicated to San Emeterio and San Celedonio and curiously enough, it was actually designed as the first defense mechanism of the castle, since possible attackers had to first cross the place where the monks slept.

Translated by Google •

Tip by

2

3.85 km

It is interesting here that you have to go through the church to get to the Castillo (or what is left of it). A kayak guide explained to us that the members of the order (similar to the Knights Templar) who lived here at the time were extremely concerned about their safety and designed the buildings in such a way that the only way to get to the castle was through the church where the monks slept.

Translated by Google •

Tip by

3

4.28 km

Hermitage of Saint Waldesca

Highlight • Religious Site

4

7.96 km

Church of the Assumption of Mediano

Highlight • Religious Site

Church of the old town of Mediano that disappeared under the reservoir. If the water level is low, you can reach the church by a bridge that also appears when the water level drops. If the water level is high you can still see its bell tower.

Translated by Google •

Tip by

B

9.81 km

End point

Parking

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Way Types & Surfaces

Way Types

6.55 km

2.96 km

231 m

Surfaces

4.18 km

2.96 km

2.37 km

231 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Tuesday 26 May

33°C

13°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to start the Castillo de Samitier and Iglesia de Mediano circular hike?

The starting point for this circular hike is typically the village of Samitier. You will find parking available there.

Is the Castillo de Samitier and Iglesia de Mediano circular hike dog-friendly?

Yes, this trail is generally considered dog-friendly. However, it's always recommended to keep your dog on a leash, especially around historical sites and in areas where livestock might be present.

What is the best time of year to hike this circular route?

The trail offers rewarding experiences throughout much of the year. Spring and autumn are often ideal for hiking in the Pyrenees, providing pleasant temperatures and vibrant scenery. Summer can also be good, but be prepared for warmer weather.

Are there any permits or fees required for this trail?

No, there are no specific permits or entrance fees required to hike the Castillo de Samitier and Iglesia de Mediano circular route.

How long does it typically take to complete this circular hike?

This circular route is approximately 9.8 km (6.1 miles) long and typically takes around 3 hours to complete, depending on your pace and how long you spend at the viewpoints and historical sites.

What is the difficulty and terrain like on this hike?

This hike is rated as moderate. The terrain includes marked paths, sometimes running parallel to tracks through the forest. The final section leading up to Castillo de Samitier involves a path with a "strong inclination." Appropriate footwear, such as sports shoes or hiking boots, is recommended.

What kind of views and scenery can I expect on this route?

You can expect magnificent panoramic views of the central Pyrenees, including peaks like Cotiella, Peña Montañesa, and even Monte Perdido. A highlight is the dramatic sight of the Church of the Assumption of Mediano tower rising from the Mediano reservoir. You'll also see the Grado reservoir and the Entremón gorge.

What are the main points of interest along the circular route?

Key points of interest include the medieval Samitier Castle, the 16th-century Church of the Assumption of Mediano (often partially submerged), the Hermitage of Saints Emeterius and Celedonius, and the Hermitage of Saint Waldesca. The route offers a rich blend of history and natural beauty.

Does this trail intersect with other well-known paths?

Yes, the route also passes through sections of the ZZ003 - Vuelta al embalse de Mediano, Sendero Histórico: Huesca, Camino del ermitaje, and camino del castillo de Samitier.

What should I wear or bring for this hike?

Given the moderate difficulty and varied terrain, it's advisable to wear appropriate footwear like hiking boots or sturdy sports shoes. Bring sufficient water, snacks, sun protection, and layers of clothing to adapt to changing weather conditions in the mountains.

Is this a loop trail?

Yes, as the name suggests, this is a circular route, meaning you will end your hike at or near your starting point in Samitier village.

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