Natural monuments around Grilo feature a landscape characterized by diverse natural and historical formations. The region offers a variety of geological features, including natural pools, waterfalls, and ancient megalithic structures. These sites provide opportunities to explore the area's natural beauty and historical significance. The terrain includes river valleys and elevated viewpoints, showcasing the local environment.
Last updated: June 29, 2026
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The Dólmen das Meninas do Crasto 3 is an ancient Neolithic funerary monument. It was part of a complex of megalithic burials. Although its structure is partially altered and the cover slab has been removed, it remains a significant testimony to the prehistory of the region, inserted in a route of archaeological interest.
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Mini sandy beach, on the edge of the picnic park, with tables, bbq, fountain and WC.
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After about 350m you will find a large swing over the stream, which is attached to a tree trunk and is suitable for adults.
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Great view over the Aboboreira mountains and the whole valley of the Serra do Castelo. The small chapel is used for pilgrimages in August
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Another megalith in the Serra da Aboboreira. These places of worship are easily accessible from the road.
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This dolmen is in the Serra de Aboboreira and is in very good condition. This has been a national monument since 1910.
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A beautiful discovery on the edge of the EN222. Easily accessible natural pools with fresh running water (so-called wells). On foot it is possible to advance up the river to a waterfall. There is a picnic area nearby and a drinking fountain in the parking lot on the opposite side of the road.
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The region around Grilo offers a diverse landscape featuring natural pools, waterfalls, and ancient megalithic structures. You can discover geological formations, scenic river features, and historical sites like dolmens, which are ancient funerary monuments.
Yes, several natural monuments are suitable for families. For instance, the Natural Pool and Waterfall Trail features a large swing over a stream, a mini sandy beach, and a picnic area. The Cabrum Natural Pools are also easily accessible with fresh running water, a nearby picnic area, and a drinking fountain.
The Cabrum Natural Pools are a great option, offering easily accessible fresh running water and a picnic area. You can also advance up the river from here to find a waterfall. Another spot is the Natural Pool and Waterfall Trail, which includes a mini sandy beach.
The region is home to significant megalithic structures. You can visit Meninas do Crasto Dolmen, an ancient Neolithic funerary monument that is part of a complex of megalithic burials. Another well-preserved historical site is the Dolmen de Chã da Parada, which has been a national monument since 1910.
Yes, the Viewpoint of Nossa Senhora da Guia provides a splendid panorama over the Aboboreira mountains and the entire valley of the Serra do Castelo. It's particularly beautiful at sunrise or sunset.
You can enjoy various outdoor activities. For hiking, explore routes like the 'Bridge Over the Bestança River – Stream in Serra de Montemuro loop' or the 'Tasquinha do Flimo loop'. Mountain biking enthusiasts can try the 'Dolmens Trail' or the 'Baião - Serra do Marão Black Route'. Cycling options include the 'Amarante and Ecopista do Tâmega Loop'. Find more details on these activities in the hiking, MTB, and cycling guides for Grilo.
Yes, there are several hiking trails. For example, the 'Bridge Over the Bestança River – Stream in Serra de Montemuro loop' is a moderate 9.9 km hike. The 'Tasquinha do Flimo loop' offers various starting points and is generally moderate, though an easy 4.7 km version from Almofrela is available. You can find more hiking routes and their difficulties in the Hiking around Grilo guide.
Visitors appreciate the diverse natural beauty and historical significance. Highlights like the Natural Pool and Waterfall Trail are loved for their unique features like a large swing over a stream and picnic facilities. The ancient megalithic sites, such as the Meninas do Crasto Dolmen, are valued for their historical testimony. The easily accessible natural pools and panoramic viewpoints also receive high praise.
For the Cabrum Natural Pools, there is a drinking fountain in the parking lot on the opposite side of the road, indicating parking availability. For other sites, accessibility from the road is often mentioned, suggesting convenient access for vehicles.
While specific seasonal recommendations are not provided, natural pools and waterfalls are generally most enjoyable during warmer months. Viewpoints can be stunning year-round, especially at sunrise or sunset. Historical sites like dolmens are accessible throughout the year.
Yes, the Natural Pool and Waterfall Trail is particularly appealing for children, featuring a large swing over a stream and a mini sandy beach. The Cabrum Natural Pools also offer safe, fresh running water for families to enjoy.


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