Parque Natural de Sintra-Cascais

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 Castle, Pena Palaces and parks and Monserrate and Quinta da Regaleira.