Best natural monuments around Allariz, a town in Ourense, Spain, are characterized by a rich natural heritage. The region is home to the Allariz Area Biosphere Reserve, a UNESCO-designated area encompassing over 21,000 hectares, known for its significant biodiversity at the frontier of Euro-Siberian and Mediterranean regions. The Arnoia River flows through Allariz, offering riverside areas and recreational spots. Additionally, the Ecoespazo O Rexo provides a unique blend of art and nature.
Last updated: July 1, 2026
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Beautiful local recreation area 🤙
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The Castro de Santomé, located near the Lonia River in Ourense, is an important archaeological site that includes remains of a pre-Roman fort and a later Roman settlement. The site offers spectacular views and is surrounded by an exceptional natural environment, where the natural pools or cauldrons formed by the erosion of the Lonia River stand out. These cauldrons, also known as giant's cauldrons, are circular formations in the rocks of the riverbed, originating from the movement of water over time. The area is ideal for hiking trails, combining historical heritage and natural beauty, making it a very attractive destination for lovers of archaeology and nature.
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It has a charming little waterfall that is an attractive point for visitors, especially for its natural beauty and the peaceful atmosphere it offers. Next to the waterfall, there is an area set up as a picnic zone, perfect for enjoying nature in a relaxing and fresh environment. This corner is ideal for those looking to disconnect and spend time with family or friends, surrounded by vegetation and the sound of water. The combination of the waterfall and the picnic area makes A Boltureira a special place for rural tourism in Galicia.
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Dating back to the Iron Age, Trelle hill fort is set in a natural setting that affords panoramic views of the surrounding area, suggesting its former strategic use as a fortified settlement.
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Near Castro de Trelle, there is a forest watchtower used for fire prevention and control, very common in rural areas of Galicia, especially due to the risk of fires in the summer months. These towers, generally made of metal or wood, are located at high points to offer wide visibility over the surrounding forests and lands. If you manage to access it, you will be amazed by the views.
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Small but charming town, Las Burgas area with the medieval bridge and the spa and a spectacular river park, the Ansuiña
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an archaeological site on the banks of the Loña River. The shadows of the oaks and the water of the river provided various civilizations throughout almost six centuries with the first settlement of the I BC.
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The Allariz area offers a rich natural heritage. You can explore the tranquil A Boutureira Waterfall, which features a peaceful picnic zone next to the Bardadas river. Another significant site is the Thermal Waters of Baños de Molgas, a historic market town on the Arnoia River with a spa and a spectacular river park. For panoramic views, consider the View of Castro de Trelle, located near an Iron Age hill fort.
The Allariz area is unique due to its designation as the Allariz Area Biosphere Reserve by UNESCO. This expansive reserve, over 21,000 hectares, showcases significant biodiversity at the frontier of Euro-Siberian and Mediterranean regions. It highlights a harmonious coexistence of natural, historical, and cultural wealth, featuring diverse landscapes from river plains to mixed oak forests.
Yes, the Ecoespazo O Rexo, located about 3.5 km east of Allariz, is a unique 'ecospace' designed by Basque artist Agustín Ibarrola. It harmonizes natural elements like trees, stones, earth, and water with reused cultural elements, featuring painted tree trunks and stones alongside a water channel. It's an intriguing visit for those who appreciate the blend of art and nature.
The Arnoia River flows through Allariz, offering beautiful riverside areas. Its recuperated banks provide leafy walkways perfect for strolling. You can also find recreational grounds like Acearrica, Campo de Vilanova, and Arnado, which are excellent spots for fishing, boating, and swimming in clean waters. The Thermal Waters of Baños de Molgas also offer a river park for relaxation.
Absolutely. The A Boutureira Waterfall is a family-friendly recreational area with a charming waterfall and a picnic zone, ideal for spending time outdoors. The Thermal Waters of Baños de Molgas also offer a pleasant environment for families with its river park and historical charm. Additionally, Pedra Furada is a natural monument that is also considered family-friendly.
The area around Allariz is excellent for various outdoor activities. You can find numerous hiking trails, with options ranging from easy to difficult, such as the 'Allariz Roman Bridge – Allariz loop' or the 'Allariz - Penamá Peak Loop'. There are also routes for gravel biking and road cycling. For more details on routes, you can explore the Hiking around Allariz, Gravel biking around Allariz, and Road Cycling Routes around Allariz guides.
Yes, the region beautifully integrates history with its natural landscape. The Castro de Santomé and Giant's Kettles of the Lonia River is an important archaeological site with pre-Roman and Roman remains, set amidst an exceptional natural environment featuring unique rock formations. The View of Castro de Trelle also offers a glimpse into an Iron Age hill fort with panoramic views. Even the Vilanova Bridge, a Romanesque marvel, blends seamlessly into the natural river scenery.
The natural monuments around Allariz can be enjoyed throughout the year, but spring and autumn generally offer the most pleasant weather for outdoor activities like hiking and exploring. During summer, while warm, it's advisable to be mindful of potential fire risks in wooded areas, especially near forest watchtowers like those found near Castro de Trelle.
Yes, the View of Castro de Trelle provides panoramic views of the surrounding landscape from its location near an Iron Age hill fort. Additionally, the archaeological site of Castro de Santomé also offers spectacular views over the Lonia River and its unique 'giant's kettles' formations.
The Allariz Area Biosphere Reserve is known for its significant biodiversity. Due to its location at the frontier of Euro-Siberian and Mediterranean regions, it's home to diverse fauna. Visitors might spot birds of prey, wolves, otters, and various Iberian amphibians within the reserve's different ecological zones, which include river plains, meadows, and mixed forests.
Yes, there are several easy hiking options. For instance, the 'Allariz Roman Bridge – Allariz loop' is an easy 6.97 km route. The recuperated banks of the Arnoia River also offer leafy walkways that are perfect for casual strolls and connecting with nature. You can find more details on various routes, including easy ones, in the Hiking around Allariz guide.


Extend your search for the best caves by checking out these guides of the top ones around Allariz: