On the road that connects Bilhó to Cavernelhe, roughly halfway along the route, you will find this beautiful waterfall in a verdant environment, where the waters of the Cabrão River go down on a gentle slope onto a rocky bed. Alternatively, it is also possible to access the back of the waterfall through the village of Pioledo.

In a landscape of enormous cliffs, you will find the "Garganta do Rio Olo", a 100 meter high waterfall, integrated into the Alvão Natural Park. Access is via the village of Ermelo. From Alto do Fojo, you can see a beautiful panorama of Fisgas de Ermelo, where the Olo River falls.

The Sabor River originates in the Serra de Gamoneda (Montes de León), in the Spanish province of Zamora, at around 1600 meters above sea level, then runs for more than a hundred kilometers in Trás-os-Montes and ends up flowing into the Douro River, close to Moncorvo Tower. It is considered one of the purest rivers with the greatest ecological value in Portugal.

Dam located in the Northeast of Trás-os-Montes, framed by a beautiful landscape of almond and cherry trees. It is integrated into the Douro Hydrographic Basin, in Ribeira das Tábuas.

Natural pools resulting from an accident. Its volcanic formation ensures its full integration into the surroundings. Is one of the most important bathing spaces on the island.

It is part of the National Ecological Reserve – National Agricultural Reserve. The salt marsh predominates in this place, with many shorebirds and inhabited by birds characteristic of wetlands.

This location includes a route that crosses areas known as marshes and cultivated land, such as rice fields.

It borders the municipality of Murtosa and has Caniçal as its predominant habitat. The Mallard and the Moorhen are some of the most observed water birds, and as for birds of prey, the most common is the Western Marsh Harrier. Other animals stand out, such as the Common Reed Bunting, the Weasel, the Mediterranean Tree Frog and the Brown Rat.

Also nicknamed Esteiro de Estarreja, the place was opened artificially in the 19th century. At that time, salt, "moliço", fish, adobes, sand and reeds were traded here. As it is more urbanized than the other estuaries, the fauna and flora are not prominent.

Mixed type dam, earth and gravity, integrated in a plain area, in Ribeira da Raia (Tejo Hydrographic Basin).