This cave was discovered by chance in 1961 during mining operations. Several tools from the Mousterian industry and stone artifacts from the Upper Paleolithic and Neolithic periods were found here. However, its most important find is a Neanderthal tooth, approximately 30,000 years old.

A rugged natural area offering landscapes of great natural beauty. High on the mountain, there is a large stone cross that marks the battle between the French and Anglo-Portuguese armies on August 17, 1808, during the first Napoleonic invasion, marking the beginning of the Peninsular War.

Located near the Church of Santa Marinha, this grotto was inaugurated in 1896 and is a small replica of the grotto found in Massabielle, France. Set in a wooded area with almost wild vegetation, it features stone benches and tables.

It lies between the Douro River to the north and the Paiva River to the south, bordering the city of Lamego. The highest point of the mountain range is called Montemuro, at 1,381 meters above sea level. The entire mountain range is quite steep and steep on practically all sides. The mountain range is populated up to approximately 1,100 meters above sea level, with villages scattered throughout, but almost always near watercourses. The Varosa River (which separates it from the Leomil Mountains) and the Balsemão River originate in this range. The Paiva River separates it from the Arada Mountains. It …

Here you can see rock formations containing fossils of prehistoric creatures, some over 480 million years old. This site is part of the "Fossil Trail" hiking trail.

The park encompasses the municipalities of Castelo Branco and Idanha-a-Nova and is home to a natural heritage of exceptional value. The enclosed valleys of the Tagus River, its tributaries (Erges, Ponsul, and Aravil), and the adjacent flatlands establish the transition between the Central Mountain Range and the Alentejo plain. The climate is typically Mediterranean and is dominated by a rural landscape of extensive crops and cork oak and holm oak forests. But it is above all the transitions between the different landscape types and the mosaics created by these transitions that give the International Tagus Natural Park its unique color, …

A circular trail that is about 11.5 km long, along the seashore sand dunes. There are panels about the fauna, the flora and the geology. The second part of the trail crosses the villages of Costa Nova do Prado and of the Praia da Barra.

It belongs to the Old Massif and is located in the east-central region of Trás-os-Montes, between the Sabor and Tua rivers. It is over 12 km long and 5 km wide, reaching its highest point at 1,200 meters, above the Vilariça valley. The region is characterized by mountain ranges, small high-altitude plateaus, deep, hollow valleys, some watercourses, and open valleys. The flora ranges from chestnut trees to cork oaks, olive trees, almond trees, cherry trees, orange trees, and vineyards. It is noteworthy that, until a few years ago, rye was cultivated at an altitude of about 1,000 meters.

The Azibo Reservoir, originating from the dam, has a surrounding area of regional scope that is protected for its rich fauna and flora.

The trail follows the coastline until it reaches a hill, which should be skirted on the right. Then, at the next intersection, it enters the vineyards and continues to the marked mill, a viewpoint offering panoramic views of the vineyards and the Madalena islets.