Best natural monuments around Bisaurri are found within a municipality in the province of Huesca, Aragón, surrounded by diverse natural landscapes. The region features significant natural attractions, including mountain passes, waterfalls, and geological formations. These sites reflect the area's rich geological and hydrological characteristics, offering varied outdoor experiences. The broader Aragón region is recognized for its natural heritage, encompassing protected landscapes and natural spaces.
Last updated: May 3, 2026
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A legendary mountain pass in the Pyrenees. A crossing point between the Chistau and Benasque valleys, linking Sobrarbe and Ribagorza at an altitude of 2000m.
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The waterfalls in pictures https://youtu.be/mUxVAKneeMM?si=nMc8fPqSccpKAJht
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Recommended crossing point from Eriste to Cerler, or walk its approximately 300 meters from Cerler
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This mighty ravine collects the waters of seven other ravines: Mascarada, Cllotet, Ardonés, Ubago de Ardonés, Ampríu, Puimestre and La Selva. That large basin was partly responsible for the great floods of 1963 that left Anciles looking like an island.
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Access is via forest tracks in good condition. Obviously, to reach 2000m it takes a little time but the reward is worth it: the views are magnificent over the valleys and peaks at 360 degrees. A delight !
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This mighty ravine collects the waters of seven other ravines: Mascarada, Cllotet, Ardonés, Ubago de Ardonés, Ampríu, Puimestre and La Selva. That large basin was partly responsible for the great floods of 1963 that left Anciles looking like an island.
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Beautiful and powerful waterfall that can be comfortably observed from the Pleta del Estalló, located at about 1,500 meters above sea level. This is also where the bus departing from Eriste arrives in the summer months. You can check the bus schedules at the tourist office or on the website of the town hall.
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The region around Bisaurri offers several impressive natural monuments. Don't miss the powerful Espigantosa Waterfall, which can be comfortably observed from the Pleta del Estalló. Another popular spot is Ardonés Waterfall, known for its beauty and accessibility from Cerler, and it even freezes in winter for ice climbing. For panoramic views, the Collado de Sahún mountain pass offers stunning vistas of peaks like Aneto and Monte Perdido.
The area around Bisaurri is rich in diverse natural features. You'll find numerous waterfalls, such as the Clotet Waterfall, which is the highest of three in its vicinity. There are also significant mountain passes like Collado de Sahún offering breathtaking views, and impressive geological formations like the Remáscaro Gorge Waterfalls, where multiple ravines converge.
The best time to visit largely depends on the activity you're interested in. For waterfalls like Clotet Waterfall, late spring is ideal as it reaches its peak flow. Summer months offer bus services to accessible spots like Espigantosa Waterfall, making it convenient for many visitors. Winter transforms some waterfalls, like Ardonés Waterfall, into ice climbing locations.
Yes, several natural monuments are suitable for families. The Espigantosa Waterfall is considered family-friendly, and its accessibility, including a bus service from Eriste during summer, makes it a great option. Many trails leading to waterfalls are also enjoyable for families, offering beautiful scenery without extreme difficulty.
The region around Bisaurri is perfect for various outdoor activities. You can explore numerous MTB trails, including the 'Bisaurri Forests Trail' or more challenging routes like 'Congosto del Ventamillo'. There are also excellent running trails, such as the 'Sesué Village loop', and scenic road cycling routes like the 'Valle de Benasque – integral' or the 'Castejón de Sos - Coll de Fadas - Bisaurri Loop'.
Absolutely. Many natural monuments, especially the waterfalls and mountain passes, are accessible via hiking trails. For instance, Ardonés Waterfall is reached by a pleasant hike from Cerler. The ascent to Collado de Sahún is a demanding but rewarding hike, offering incredible views. You can find various running and hiking trails in the broader area.
While specific wildlife spotting tips for individual monuments are not detailed, the broader Aragón region, where Bisaurri is located, is known for its diverse natural heritage, including national and natural parks. These areas feature high peaks, forests, and rivers, which are habitats for various wildlife. Keeping an eye out during your visits to these natural monuments may offer opportunities to observe local fauna.
Visitors particularly appreciate the stunning natural beauty and the variety of experiences. The powerful waterfalls, like Espigantosa Waterfall, are often highlighted for their impressive views. The challenging yet rewarding ascents to mountain passes such as Collado de Sahún are loved for their panoramic vistas. The opportunity for activities like ice climbing at Ardonés Waterfall in winter also draws significant interest.
Yes, the region has both geological and historical significance. The Remáscaro Gorge Waterfalls, for example, are notable for collecting waters from seven ravines, and this large basin was partly responsible for the great floods of 1963. Additionally, while not a highlight in this guide, the nearby Els Trocs Cave is a significant archaeological site from the Neolithic era, showcasing the area's deep history alongside its natural formations.
While many natural monuments in mountainous regions can be challenging for wheelchair access, some locations offer better accessibility. For instance, the Espigantosa Waterfall can be comfortably observed from the Pleta del Estalló, which is accessible by bus during summer months, suggesting a potentially easier viewing experience. It's always recommended to check specific conditions and access routes beforehand.
Generally, many outdoor areas in the Pyrenees are dog-friendly, especially on hiking trails. However, specific regulations can vary for protected natural monuments or parks. It's advisable to keep your dog on a leash and ensure you clean up after them to preserve the natural environment. Always check local signage or park rules for any specific restrictions before your visit.
For popular natural monuments, parking options are often available nearby. For example, there is a parking lot close to Ardonés Waterfall, making it convenient for visitors. For other sites, parking might be at trailheads or designated areas in nearby villages. It's recommended to check specific access points for each monument you plan to visit.


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