Best natural monuments around Durón are found in the picturesque Alcarria region of Guadalajara, Spain. This area is characterized by diverse landscapes shaped by rivers and unique geological formations. Visitors can explore a variety of natural features, from distinctive mountains to expansive reservoirs. The region offers numerous opportunities to experience its natural beauty and panoramic vistas.
Last updated: June 18, 2026
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An elevated place with splendid landscapes throughout its surroundings. It is worth visiting.
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The entrance to the summit is spectacular, it is the geographical ceiling of the Alcarria and the views are magnificent, practically the entire Alcarria Alta, the Serranía de Guadalajara, the Sierra de Ayllón, the popular Ocejón and the Sierra de Guadarrama. And the towns of Viana de Mondéjar and La Puerta from a bird's eye view. The summit plain has a circular path around the summit that may be covered in grass, although it can be seen in the terrain. A good vantage point is the north side, with views of the Elongated Tit. Around the perimeter there are some wooden sticks that can be confused with trail signs. In reality, they indicate the limit of the danger zone. To avoid approaching the cliffs, the path runs a few meters inside.
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On one side of the town of La Puerta stands a Rock Ridge called "El Castillo", and, a little further on, El Trascastillo. In the Castle there is a Cross and a beautiful Viewpoint towards La Puerta and towards the surrounding landscape. From the rocks of Trascastillo, more difficult to access, you can also appreciate the surroundings. Well, from the road there is a path, very well marked and protected with railings, that takes you up to the Castle and its Mirador de La Cruz. Then, returning a short stretch of road, you can continue towards the rocks of Trascastillo, here the path is more difficult and somewhat dangerous. It seems that the name of the town could come from being THE GATEWAY to the Rocas Castle.
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The Tetas de Viana constitute an extraordinary place from a defensive point of view, which is why they have been inhabited since ancient times. At present they constitute a spectacular viewpoint of the surrounding landscape. From them you can see the beautiful surrounding towns, Trillo, Viana de Mondejar, and La Puerta (at the entrance to Rocas Castle).
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A nature reserve of incredible beauty created by the waters of nearby Pareja. You can cycle around the lake to enjoy the natural oasis in the Alcarria Alta. I recommend stopping for a swim on a hot summer day.
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Las Tetas de Viana is a mountainous set in the shape of a "tooth". They are two limestone sandstones eroded by the Tagus and Solana rivers. Each of them has its name such as La Redonda (the only one accessible) and La Larga or Elongated.
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At this point on the nature path you have beautiful views of the Entrepeñas reservoir, located in the Alcarria Baja de Guadalajara, in the riverbed of the Tagus river. It was inaugurated in 1956.
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The Entrepeñas reservoir extends for several kilometers over the course of the Tagus River, one of the largest in Spain. In this sector of Guadalajara you can explore it following the track that runs parallel to the riverbed through the gorges until you reach the town of Trillo.
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The most popular natural monument is Tetas de Viana (1,145 m), a distinctive twin mountain offering magnificent panoramic views. Other highly appreciated spots include the expansive Entrepeñas Reservoir and Azud de Pareja, a beautiful nature reserve suitable for cycling and swimming.
Yes, Azud de Pareja is considered family-friendly, offering opportunities for cycling around the lake and swimming on warm days. Additionally, the Cascadas del Río Cifuentes, though located near Trillo, provide a pleasant walk along a well-conditioned path with small bridges, suitable for families to enjoy the waterfalls and lush scenery.
The region around Durón is characterized by diverse landscapes. You can expect to see unique geological formations like the 'witness hills' of Tetas de Viana, expansive water bodies such as the Entrepeñas Reservoir and Azud de Pareja, and impressive waterfalls like the Cascadas del Río Cifuentes. The area also features lush riparian forests and offers panoramic views from elevated points.
For breathtaking panoramic views, the summit of Tetas de Viana (1,145 m) is highly recommended. From here, you can see the Alcarria, Serranía de Guadalajara, Sierra de Ayllón, and even the Sierra de Guadarrama. Another excellent viewpoint is the Sanctuary of the Virgen del Madroñal, which offers remarkable scenic views of the Entrepeñas Reservoir and the surrounding natural environment.
Yes, there are numerous hiking opportunities. For example, you can explore trails around the Entrepeñas Reservoir or take the well-marked path to the Cross and Viewpoint at Path of the Cross and El Trascastillo. For more detailed routes, you can find various options in the Hiking around Durón guide, including easy loops and more challenging trails.
Beyond hiking, the area offers opportunities for cycling, especially around Azud de Pareja. Mountain biking is also popular, with routes like 'Trillo - Embalse de Entrepeñas – circular por el Alto Tajo'. You can find more options in the MTB Trails around Durón guide and the Running Trails around Durón guide.
The region's natural beauty can be enjoyed throughout the year. Spring and autumn offer pleasant temperatures for hiking and outdoor activities, with lush vegetation in spring and vibrant colors in autumn. Summer is ideal for water activities at Azud de Pareja or enjoying the refreshing Cascadas del Río Cifuentes. Even in winter, the landscapes offer a serene beauty, though some paths might be more challenging.
While specific regulations for each monument may vary, generally, many natural areas in Spain are dog-friendly, especially on marked trails, provided dogs are kept on a leash and owners clean up after them. It's always advisable to check local signage or specific park rules for each natural monument you plan to visit to ensure compliance.
Las Tetas de Viana are two distinctive twin mountains, or 'witness hills,' formed by limestone eroded by the Tagus and Solana rivers. Declared a Natural Monument, they offer spectacular panoramic views and are recognized as a Site of Community Importance (LIC) and a Special Protection Area for Birds (ZEPA), highlighting their ecological value and making them ideal for birdwatching. You can learn more about their geological significance on Wikipedia.
The Cascadas del Río Cifuentes, located near Trillo, are a series of impressive waterfalls where the Cifuentes River dramatically merges with the Tagus. Visitors can enjoy a pleasant stroll along a well-conditioned path with small bridges and benches, surrounded by vibrant cascades and lush riparian forest. The scenery is captivating, often forming rainbows with sunlight, and provides a refreshing natural spectacle.
While the main natural monuments like Tetas de Viana are popular for good reason, exploring some of the smaller trails or less prominent viewpoints can offer a quieter experience. For instance, the Path of the Cross and El Trascastillo offers a beautiful viewpoint with a more local feel. Additionally, exploring different sections of the Entrepeñas Reservoir away from main access points can provide serene natural vistas.


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