Limestone mountain with an altitude of 618 meters and a wide variety of fauna and flora. It belongs to the Sicó Massif, being the highest mountain range in this group. It is integrated into the Natura 2000 Network.

The Arada Hill partly divides the Paiva and Vouga river basins. It starts in Castro Daire and reaches its peak at São Pedro do Sul. It is 20 km long and 15 km wide. It has some villages lost in time, such as Drave.

This hill, located on the border of Chaves, between the Mente and the Tamegão rivers, reaches its peak on the Cota de Mairos. In the village of Mairos the Buraco Feio (Ugly Holle) caves and the Câmara do Diabo (Devil's Chamber) are worth a visit.

This mountain range belongs to the Antigo Massif , south of the Tagus and divides the Alentejo from the Algarve. It is located between the Espinhaço de Cão and Caldeirão mountains. It has a maximum altitude of 902 meters (reached in Foia) and measures 30 km in length.

It is 17 km long and it is located to the south of Montemor-o-Novo, between the Canha and Alcáçovas Brooks. It has a wide diversity of plants.

It belongs to the Ancient Massif of Trás-os-Montes, located to the North of Bragança, in the border with Spain. Part of the Natural Park of the Montesinho Mountain, this is where it reaches its tallest altitude: 1481 metres.One can take several pedestrian walks, mountain bike or drive a car along the rivers and getting acquainted with fauna and th fora of the region, as well as its typical villages and its archaeological vestiges.

This mountain includes the Arrábida Mountain Natural Park. From its tallest point one can view the Setúbal Peninsula, Lisbon, the Atlantic Ocean and Tróia. It is a 2.5 km long massif, 1 km tall, with typical vegetation.

This hill comprises a part of the municipalities of Arronches, Castelo de Vide, Marvão and Portalegre. It is quite varied in geological terms, with diverse vegetation and a quite varied fauna. There are also many historical vestiges from the Paleolithic to the Middle Ages. It is the highest massif to the south of the Tagus river, with an area of 31750 hectares.

On the extreme north of Portugal, between the Cávado and Homem rivers valleys, in the Peneda-Gerês National Park, one finds the Gerês mountain that is 35 km long, 18 km wide, and reaches an altitude of 1507 metres. It is a water filled area and the richest mountain in the country, both in its flora and in its fauna. Of granitical nature, the mountain composes huge amphitheatres and incomparable sceneries. It also has cultural points of interest, namely due to its pre-historic vestiges.

The Louro mountain is part of the Arrábica mountain chain and is included in the Arrábida Natural Park. There are vestiges of the neolithic, the Roman age and the Muslim age until our current days. At the peak there are mills that have witnessed time and history.