Top 20 Natural Monuments in Viseu

Casa da Ínsua is a remarkable 18th-century Baroque palace located in Penalva do Castelo, near Viseu, famous for its magnificent gardens (French and English), its production of Dão wine, and its history linked to Brazil. It is currently a charming Parador hotel offering wine tourism, rural experiences, and a museum on the life of its builder, Luís de Albuquerque. More information about Casa da Insua here 👇🏻 https://pt.wikipedia.org/wiki/Casa_da_%C3%8Dnsua

Designated a National Monument since 1974, this structure retains the nine upright stones of its main chamber, which is three meters high, and the capstone (covering slab) practically intact. The access corridor to the chamber has 15 upright stones and preserves all the covering slabs, with the dolmen being inserted into a tumulus (or mound, which originally covered the entire stone structure of the monument) approximately 20 meters in diameter. Its construction is believed to have occurred during the Neolithic-Chalcolithic period (between the end of the Neolithic and the beginning of the Chalcolithic), corresponding to the end of the 4th millennium BC. The region where the Orca Dolmen is located shows traces of continuous human activity and occupation since the prehistoric period. It is situated in an area with orographic characteristics conducive to human settlement, being close to a watercourse (the Mondego River) and possessing vast hunting resources. We know that shepherding has been a source of livelihood and income for centuries for the populations of the region, situated on a livestock route between the highlands of the Serra da Estrela and the Mondego valley.

Beautiful view of the other side of the river.

This Orca/Anta is part of a tour circuit: PREHISTORIC CIRCUIT OF FIAIS/AZENHA in Carregal do Sal. https://www.cm-carregal.pt/pages/1027?poi_id=129 ORCA/ANTA from PALHEIRA is located in the megalithic nucleus of Fiais/Ameal. It is a monument of considerable size, which can be placed, architecturally, within the large group of monuments of Beira. It has a polygonal chamber with nine pillars, with an elongated corridor. However, its peculiar characteristics make this monument the rarest and most representative example of the circuit, given that at a somewhat later and yet to be determined period, a considerable barn was built around its central structure, which is part of that farm. Thus, the dolmen remained incorporated within it and was used as a dwelling until the 1970s.

Opposite the impressive remains of a chestnut tree that is probably almost 1,000 years old, there is still a living witness to this species. Since the foliage is not fake ivy but comes from the real tree, this chestnut tree is perhaps even more worth seeing. A beautiful tree set against a religious backdrop, it's a wonderful place for a short meditation.

At Portas de Montemuro, the landscape stretches out without limits. Here, tables and benches invite you to take a break and enjoy the view, while the national road 321, popular with cyclists, marks the 1,215 metres of altitude. The highest peak of the Montemuro mountain range, at 1,381 metres, is nearby, to the east. Nearby, the ruins of the Wall of Portas de Montemuro preserve echoes of a distant past. Mentioned in the Inquiries of 1258, they reveal traces of an ancient fortified settlement from the Iron Age, possibly linked to the Castro culture. Later, the site was reused by the Romans and, at the time of the Reconquista, by D. Afonso Henriques, the first king of Portugal.

At Portas de Montemuro, the landscape stretches out without limits. Here, tables and benches invite you to take a break and enjoy the view, while the national road 321, popular with cyclists, marks the 1,215 metres of altitude. The highest peak of the Montemuro mountain range, at 1,381 metres, is nearby, to the east. Nearby, the ruins of the Wall of Portas de Montemuro preserve echoes of a distant past. Mentioned in the Inquiries of 1258, they reveal traces of an ancient fortified settlement from the Iron Age, possibly linked to the Castro culture. Later, the site was reused by the Romans and, at the time of the Reconquista, by D. Afonso Henriques, the first king of Portugal.

This path descends through the valley of the River Bestança along one of the old roads that lead to the Prado area. The Bestança rises at Portas de Montemuro and flows into the Douro: 13.5 kilometres of crystal-clear water, it is one of the purest rivers in Europe. Its ecological balance sustains otters, trout and genets, while since ancient times, mills scattered throughout the valley have used its waters to grind cereals, especially corn, preserving a valuable rural heritage.