Best natural monuments around Ateca are characterized by unique geological formations and expansive views. Located in the province of Zaragoza, this area features landscapes often compared to a "Far West" setting due to its distinctive appearance. The Sierra de Armantes, with its prominent peak Cruz de Armantes, offers diverse ecosystems and striking contrasts of reddish and white tones. These natural features provide opportunities for exploring geological wonders and observing local wildlife.
Last updated: May 20, 2026
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The La Tranquera Reservoir in Nuévalos is a spectacular place to enjoy nature and panoramic views. Inaugurated in 1959, the reservoir was designed to regulate the flow of the Piedra River and ensure the water supply in the region.
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Impressive views on our way through the Far West trail as it could not bear another name. Without a doubt we will take out our camera to take some magazine photos in the also known as the Far West Bilbilitano
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We are in the Sierra de Armantes, in a place shaped by wind and water. We would not say that we are in Zaragoza! What a beautiful print and what contrasts of colors, apart from some impressive views. It will remind us of the Far West, what's more, in Zaragoza they call it the Bilbilitano Far West.
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Beautiful views of the Tranquera reservoir, from the town of Nuévalos, with the imposing Torre del Castillo behind us. If we are lucky enough to go with the reservoir's reserves fully loaded with water, we will see its spectacular emerald blue color. We will find fishermen, people bathing and a lot of fauna.
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On our arrival at Cruz de Armantes, we will be surrounded by a beautiful landscape of the Ribota valleys. A picture that will surely force us to take out our cameras to photograph.
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Even the Romans appreciated the healing waters of this region. The thermal lake in Alhama de Aragon is unique in all of Spain. In 34° warm, crystal-clear water you can relax your tired bones here after a strenuous bike tour.
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The most appreciated natural attractions include the unique Far West Bilbilitano Rock Formations, known for their impressive views and distinctive landscape. Another highlight is Cruz de Armantes, a summit offering expansive panoramic views of the Ribota valleys. Visitors also frequently enjoy the Castillejos Viewpoint (Sierra de Armantes), which showcases striking color contrasts shaped by wind and water.
The Sierra de Armantes is renowned for its fascinating geological formations, often referred to as 'Los Castillos' (The Castles). These are sculpted by the erosion of gypsum in lower areas and clays and marls in higher elevations, creating a striking contrast of reddish and white tones. The action of wind and water has carved these peculiar shapes, giving the landscape a distinctive 'Far West' appearance.
The area around Ateca, particularly the Sierra de Armantes, is ideal for outdoor enthusiasts. You can enjoy hiking and mountain biking (BTT/MTB) on well-marked trails. For specific routes, you can explore MTB Trails around Ateca, Gravel biking around Ateca, and Running Trails around Ateca.
While the Sierra de Armantes offers trails suitable for various skill levels, a particularly family-friendly natural attraction nearby is the Thermal Lake of Alhama de Aragón. It's unique in Spain, offering warm, crystal-clear waters for relaxation, which can be a great way to unwind after exploring.
The Sierra de Armantes supports diverse wildlife. You might spot rupicolous birds and raptors such as the Griffon vulture, Eurasian eagle-owl, and golden eagle. Its forests are home to mammals like deer, foxes, wild boars, wildcats, badgers, and genets. The varied vegetation also includes rare and endangered plant species.
The Sierra de Armantes is suitable for outdoor activities like hiking and mountain biking. Generally, spring and autumn offer pleasant temperatures for exploring the natural landscapes and enjoying the panoramic views without the extreme heat of summer or the colder conditions of winter.
Yes, in addition to the natural beauty, the region has historical significance. The Castillo de Alcocer is a notable historical site nearby, mainly known for its connection to the national hero El Cid. Archaeological finds have confirmed its mention in ancient poems, making it a place steeped in history.
Visitors frequently highlight the impressive views and the unique 'Far West' landscape. The striking geological formations, the contrasting reddish and white tones, and the expansive panoramas from points like Cruz de Armantes are often mentioned as favorite aspects, providing excellent opportunities for photography and a sense of tranquility.
Absolutely. The Sierra de Armantes is a popular destination for mountain biking (BTT/MTB). There are several routes available, including challenging loops like the 'Calatayud – Cruz de Armantes loop from Ateca' and 'Ateca – Cruz de Armantes loop from Ateca'. You can find more details on these and other trails in the MTB Trails around Ateca guide.
Yes, the area is rich in viewpoints. Cruz de Armantes itself is a summit renowned for its panoramic views of the Ribota valleys. Additionally, the Castillejos Viewpoint (Sierra de Armantes) offers impressive vistas and striking color contrasts of the sculpted landscape.
While specific regulations for dogs on trails are not detailed, the natural environment of the Sierra de Armantes generally welcomes responsible dog owners. It's always advisable to keep dogs on a leash, especially in areas with wildlife, and to follow local guidelines to ensure a pleasant experience for everyone and protect the natural habitat.
The duration of your visit depends on your chosen activity. A short hike to a viewpoint like Castillejos Viewpoint or Cruz de Armantes might take a few hours. For more extensive exploration of the geological formations or longer hiking/biking routes, you could easily spend half a day or a full day immersing yourself in the landscape.


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