Small reservoir with water dammed for irrigation. It is surrounded by trees and is composed of native vegetation mixed with stands of non-native species and varied fauna, namely ecological niches of several species. Nearby is the Penha Longa church, a national monument.

Located west of Lisbon, it belongs to the sedimentary fringe of Estremadura. It is 10 kilometers long, 5 kilometers wide and 30 kilometers in perimeter, reaching its maximum altitude (540 meters) at Cruz Alta. Integrated into the Sintra/Cascais Natural Park, it is divided into two landscapes: one is the extensive agricultural area north of Colares that encompasses the São João das Lampas plateau, the other is the coastal strip between the mouth of the Falcão River and the Citadel of Cascais, ending at Cabo da Roca. Presenting magnificent natural beauty, due to the variety of vegetation, paths and lakes, it …

With a surface of 14,583 hectares, the Natural Park extends from the northern boundary of the municipality of Sintra, near the mouth of the river Hawk, to the Citadel of Cascais, forming part of the metropolitan area of Lisbon. Encompasses areas of great sensitivity for its floristic and landscape, geomorphologic characteristics, and part of the area is part of the list of World Heritage Sites in the category of Cultural landscape. Among other points of interest include the coastal lapiás (mouth of hell), the Palácio da Vila de Sintra, the footprints of dinosaurs in Praia Grande, caster Peninha, the Moorish …