Reserva Natural del Valle de Iruelas
Reserva Natural del Valle de Iruelas
Best natural monuments around Reserva Natural del Valle de Iruelas are found within a protected area in the southeast of Ávila, known for its rich biodiversity and diverse landscapes. This reserve features a complex orography with significant altitudinal differences, including towering peaks and V-shaped valleys. The region is characterized by ancient forests, serene reservoirs, and impressive granite formations, offering a variety of natural features to explore.
Last updated: July 10, 2026
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Popular around Reserva Natural del Valle de Iruelas
MTB Trails around Reserva Natural del Valle de Iruelas
Running Trails around Reserva Natural del Valle de Iruelas
Cycling around Reserva Natural del Valle de Iruelas
Road Cycling Routes around Reserva Natural del Valle de Iruelas
Hiking around Reserva Natural del Valle de Iruelas

Gravel biking around Reserva Natural del Valle de Iruelas
phenomenal
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A nice climb from the El Burguillo reservoir. The first part is asphalt in very good condition (as of November 1, 2025), and the second part is a dirt track, also in very good condition. It's a demanding climb; the asphalt section offers some flatter sections, but the dirt track is practically a continuous gradient of around 10%.
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A must-see if you go to the El Tiemblo chestnut grove.
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The Alberche River is one of the tributaries of the Tagus, and runs through the communities of Castilla y León, Madrid, and Castilla - La Mancha. It is born on the southern slope of the Villafranca mountain range, in the Central system. It is a river with a shallow flow, like all the rivers that originate from the southern slope of the Central system. It serves as a border between the Gredos and Guadarrama mountain ranges.
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A true Ent
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The Alberche river passes through this natural strait that ends with what is called the Burguillo Reservoir. It's worth going a few more meters to see the views of the meanders that the river itself offers.
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The Alberche river passes through this natural strait that ends with what is called the Burguillo Reservoir. The views from this point are beautiful and wide.
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Beautiful views that I find when I reach this point. A natural viewpoint of the Alberche river that is undoubtedly worth visiting.
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Visitors frequently enjoy the Puerto de Casillas – Entrance to the Valle de Iruelas Nature Reserve, which offers expansive panoramic views. Another highly appreciated spot is The Grand Chestnut of El Tiemblo, known for its ancient trees and well-marked walking routes. The View of the Alberche River is also a favorite for its scenic overlooks of the river.
Yes, the El Abuelo Chestnut Tree (Castañar de El Tiemblo) is an excellent choice for families. This centuries-old chestnut forest features specimens over 500 years old, including the monumental 'El Abuelo' tree. There are well-marked circular routes, such as the 4 km Castañar Trail, suitable for leisurely walks, and picnic areas are available.
The region offers a variety of outdoor activities. You can explore numerous MTB trails, including routes around El Burguillo Reservoir. For a more relaxed ride, there are also gravel biking and cycling routes that take you through the scenic landscapes of the Valle de Iruelas.
The Castañar de El Tiemblo is particularly spectacular during autumn (October-November), when its leaves transform into vibrant yellow, orange, and red hues, making it a popular spot for photography. Generally, spring and autumn offer pleasant temperatures for hiking and exploring the reserve's diverse landscapes.
For breathtaking panoramic views, head to the Puerto de Casillas Viewpoint. From here, you can appreciate the entire Valle de Iruelas, including the shimmering waters of the Embalse de El Burguillo and the distant peaks of the Sierra de la Paramera. Another option for experienced hikers is the summit of Cerro de la Escusa, which provides extensive vistas of the reserve and the Tiétar Valley.
Yes, the well-marked circular routes within the Castañar de El Tiemblo, such as the 4 km Castañar Trail, are suitable for leisurely walks and beginner hikers. The Puerto de Casillas Viewpoint is also easily accessible for those who prefer to enjoy the grandeur of the reserve without extensive hiking.
The reserve boasts diverse natural features, including ancient forests of Scots pine and Laricio pine, some with distinctive flattened crowns. You'll also find impressive granite rock formations, such as Canto del Berrueco near Cerro de la Escusa. The complex orography has created V-shaped valleys, gorges, and mountain streams, adding to the rugged beauty of the landscape.
The Reserva Natural del Valle de Iruelas is renowned for its rich biodiversity. The extensive pine forests are crucial for wildlife, notably hosting the largest colony of black vultures in Castile and León. The wild chestnuts in the Castañar de El Tiemblo provide a food source for local wildlife, including wild boars, squirrels, and deer. Keep an eye out for imperial eagles and golden eagles as well.
The Embalse de El Burguillo (El Burguillo Reservoir), the oldest and largest reservoir in Ávila, is a hub for water-based activities. Visitors can enjoy swimming, canoeing, rowing, sailing, paddle surfing, water skiing, and fishing in its calm waters. It's a perfect spot to relax by the water in a natural setting.
Yes, for example, to access the Castañar de El Tiemblo, there is a parking lot available. Be aware that there might be a fee to access the parking area, typically around €6 per car plus €2 for each occupant.
The slopes of Valle de Iruelas are covered by magnificent and centennial specimens of Scots pine (Pinus sylvestris) and Laricio pine (Pinus nigra). These ancient pines are not only aesthetically beautiful but also ecologically vital, as some have distinctive flattened crowns that are frequently used by the black vulture colony for nesting, highlighting their importance for the region's biodiversity.


Extend your search for the best caves by checking out these guides of the top ones around Reserva Natural del Valle de Iruelas: