Best natural monuments around Pereiro are situated in the municipality of Alcoutim, within the Portuguese Algarve. This region features a diverse natural landscape, characterized by its inland setting and historical significance. The area provides opportunities to explore ancient sites and scenic river views.
Last updated: June 29, 2026
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The Great Guadiana Route (GR15) is a long-distance linear hiking trail (approximately 65 km in the Algarve, with extensions in the Alentejo) that follows the Guadiana River, connecting the Algarve coast (Vila Real de Santo António) to the mountainous interior (Alcoutim and Mértola), crossing diverse landscapes (mountains, Barrocal, coastline), cultural and natural heritage, making it ideal for hiking and mountain biking, with connection points to other routes such as the Via Algarviana (GR13). 👍🥾🦯
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Along the Guadiana, the path meanders serenely, following the river's slow rhythm between hills of olive, almond, and fig trees. A former river of fishermen and miners, the Guadiana, called the "river of ducks" by the Romans, continues to connect Alentejo with Algarve and Portugal with Spain, a tranquil mirror of southern history and life.
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Alternative to the beach. In summer hot but windy, take water with you. Towards the end nice bar with kind People to have some drink!
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At the eastern end of the route, the road follows the Guadiana River. In this same area there is the Miradouro do Pontal. From here you have a beautiful and privileged view of Rio. Great stopping point before starting the return journey.
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The Terras da Ordem National Forest is located in Castro Marim and is distinguished by its diversity of flora and fauna. The name comes from its connection with the Order of Christ. The vegetation is predominantly Mediterranean, with stone pine, cork oak and other species, especially near watercourses. The lands, fertile and riverside, are marked by human presence through vegetable gardens and water mills.
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Moinho das Pernadas is located on the right bank of the Odeleite river. It is an old hydraulic mill undergoing rehabilitation by the City Council. The mill was reactivated, after spending many years (since 1980) in oblivion.
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Standard similar to a pilgrim hostel
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Pereiro offers several sites with historical significance. The Lavajo Menhirs are a unique megalithic complex dating back to the Neolithic period, featuring the largest greywacke menhir in Portuguese territory. You can also explore the Cova dos Mouros Mining Park, an archaeological site portraying the history of mining, and the Pernadas Mill, an old hydraulic mill undergoing rehabilitation on the Odeleite river.
For stunning river views, visit the Pontal Viewpoint, which offers a privileged perspective of the Guadiana River. Additionally, you can experience a Beautiful path along the Guadiana, which meanders serenely, following the river's rhythm between hills of olive, almond, and fig trees.
Yes, the Mata Nacional das Terras da Ordem is a forest distinguished by its diverse flora and fauna, making it suitable for families. The Cova dos Mouros Mining Park is also family-friendly, offering a thematic route and serving as a reserve for animal species like ostriches and donkeys.
The region around Pereiro is excellent for various outdoor activities. You can find numerous routes for easy hikes, including a loop around the Lavajo Menhirs. There are also dedicated road cycling routes and running trails that allow you to explore the diverse landscapes.
The Lavajo Menhirs are unique as they constitute the only megalithic complex of menhirs known throughout the eastern Algarve. The main monolith, Lavajo I, is particularly notable, standing at 3.14 meters and considered the largest greywacke menhir in Portuguese territory. It features rich and varied decorations, including dimples and circles.
The archaeological site of the Lavajo Menhirs, which opened to the public in 2004, is freely accessible. It includes a car park and a visitor circuit designed for convenience. Guided tours can also be arranged through the municipality of Alcoutim.
Yes, the Mata Nacional das Terras da Ordem is a significant forest located in Castro Marim, known for its diverse Mediterranean flora, including stone pine and cork oak, and varied fauna. It's an excellent spot for nature observation.
The inland Algarve, where Pereiro is located, can be very hot during summer. Spring and autumn generally offer more pleasant temperatures for exploring outdoor natural monuments. Winter can also be a good time for hiking, with cooler weather and fewer crowds.
Visitors appreciate the tranquility and historical depth of sites like the Lavajo Menhirs, offering a profound connection to ancient past. The scenic viewpoints, such as Pontal Viewpoint, are loved for their privileged views of the Guadiana River. The diverse flora and fauna of areas like Mata Nacional das Terras da Ordem also receive positive feedback.
Yes, the region is home to the Great Guadiana Route (GR15), a long-distance linear hiking trail that follows the Guadiana River. This route connects the Algarve coast to the mountainous interior, crossing diverse landscapes and cultural heritage, and is suitable for hiking and mountain biking. You can find more information on hiking guides for the area.
Absolutely. The Lavajo Menhirs perfectly combine history with nature, set in a serene environment that invites contemplation of ancient times. Similarly, the Cova dos Mouros Mining Park is a historical site within a natural setting, showcasing both human history and the surrounding landscape.


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