4.5
(170)
1,808
hikers
45
hikes
Hiking around Valle De Hecho offers access to a diverse natural landscape within the Aragonese Pyrenees, characterized by dense forests, deep gorges, and high-mountain peaks. The region is part of the Valles Occidentales Natural Park, featuring the impressive Selva de Oza with its Beech, Silver Fir, and Pine forests, and the Aragón Subordán river. Glacial lakes, known as ibones, and prominent peaks like Castillo de Acher contribute to the varied terrain. This area provides a range of hiking experiences from…
Last updated: May 10, 2026
4.9
(27)
324
hikers
12.9km
05:46
1,150m
1,150m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
4.6
(22)
156
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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4.5
(2)
13
hikers
7.38km
02:16
260m
260m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3.8
(5)
86
hikers
3.21km
00:58
100m
100m
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.
4.6
(7)
75
hikers
9.22km
02:57
370m
370m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
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The monastery of San Pedro de Siresa is a beautiful Romanesque-style monastery located in the town of Siresa (two kilometers from the town of Hecho). It is the oldest monastery in Aragon. There are guided tours of the monastery... and it is well worth it.
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It is a gorge that allows access to the Oza Valley. Its entire route is spectacular. It is a MUST of the Pyrenees, both for the tranquility of the area, for its landscapes, and for the beauty of the route with the river next to it. One of my discoveries this year. The climb is very steep, with some ramps, but always very easy, which allows you to enjoy the gorge even more.
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In the heart of the Hecho valley, this spectacular Romanesque monastery that is located in the town of Siresa will come your way. It dates from the 9th century and can be seen from the arrival of the people.
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Very nice mixed forest of beech trees and other species. Especially magical in Autumn.
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Mixed forest of Scots pines, mainly beeches and firs.
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Mixed forest of Scots pines, mainly beeches and firs.
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Legend has it that this monastery came to house the Holy Grail and that is why it is included in the Grail Route. It is one of the oldest monastic complexes in all of Aragon.
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Valle De Hecho offers a wide variety of hiking experiences, with over 45 trails documented on komoot. These routes cater to different skill levels, from leisurely walks to challenging mountain ascents.
The komoot community highly rates the trails in Valle De Hecho, with an average score of 4.5 stars from over 160 reviews. Hikers frequently praise the diverse natural landscape, including dense forests, dramatic gorges, and stunning high-mountain views. The well-preserved environment and variety of routes are often highlighted.
The best time for hiking in Valle De Hecho is generally from late spring through early autumn (May to October), when the weather is mild and trails are clear of snow. Summer offers warmer temperatures, ideal for exploring high-mountain areas. For those interested in winter activities, the region also provides opportunities for snowshoeing and ski mountaineering.
Yes, Valle De Hecho has several easy hiking trails, with 9 routes specifically categorized as easy. These often include leisurely strolls through valley floors or forested areas, perfect for beginners or families looking for a relaxed outdoor experience. The region's diverse landscape ensures options for all abilities.
Hikes in Valle De Hecho traverse a diverse range of terrain. You can expect to encounter dense Beech, Silver Fir, and Pine forests, deep gorges like the Boca del Infierno, extensive high-mountain pastures such as Guarrinza Meadows, and rocky peaks. The region also features unique meandering river valleys and glacial lakes.
Absolutely. Valle De Hecho is home to 13 difficult routes, offering significant elevation gains and rugged terrain for experienced trekkers. A notable challenging route is the Castillo d'Acher Trail, which ascends to the iconic Castillo de Acher peak, providing expansive views and a demanding climb.
Yes, Valle De Hecho is renowned for its beautiful high-mountain glacial lakes, known locally as ibones. You can hike to stunning examples like Ibón de Acherito, one of the few natural ibones remaining in the Pyrenees, or Estanés Lake. These offer picturesque destinations for a rewarding hike.
Valle De Hecho boasts several impressive natural landmarks. The dramatic Boca del Infierno gorge, the ancient Selva de Oza forest, and the whimsical Valle de Aguas Tuertas with its meandering river are all prominent features. You might also encounter the Sanchèse Waterfall or enjoy panoramic views from the Llano de Tacheras viewpoint.
Yes, there are several circular hiking routes available. For example, the Boca del Infierno – circular by the Calzada Romana and the Senda de Los Ganchos – Valle de Hecho is a moderate 8 km loop that explores the dramatic gorge and ancient paths. Another option is the Siresa - Barranco del Hospital Loop, a 7.4 km trail through forested areas.
Valle De Hecho is a sanctuary for diverse wildlife, making it an excellent area for wildlife spotting. Hikers may encounter Brown Bears, Chamois, and Marmots. The region is also a Special Bird Protection Zone (ZEPA), with over 200 bird species, including Lammergeiers, Golden Eagles, and Wallcreepers.
Yes, the rivers in Valle De Hecho offer natural swimming pools, providing refreshing spots for a dip after a hike during warmer months. The pristine waters of the Aragón Subordán river and its tributaries create inviting areas for wild swimming.
While specific public transport options directly to every trailhead can be limited in this mountainous region, the main villages within Valle De Hecho, such as Hecho and Siresa, are typically accessible by local bus services. From these points, some trailheads might be within walking distance or require a short taxi ride. It's advisable to check local transport schedules in advance.
Parking is generally available at or near popular trailheads and key access points within Valle De Hecho, especially in areas like Selva de Oza and near the villages of Hecho and Siresa. Designated parking areas are often provided to accommodate hikers. Always check for specific parking instructions or fees for individual routes before your trip.


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