알베르가리아-아-벨하‬에서 가장 멋진 ‪7‬개의 천연기념물

mentioned chapel on route 2.1 is just a left over piece of wall

Salt mining in the Aveiro region dates back to a time before the Ria de Aveiro itself existed, with the first written document about Aveiro salt production dating back to before the founding of the nation. Over the centuries, the instability of the inlet (isolation from the sea) was a decisive factor in the variation in the number and production of salt pans. This resulted in periods of decline interspersed with periods of great favorability for production. This occurred in 1572, when, given the favorable condition of the inlet and the high and progressive commercial and maritime index, Aveiro became one of the best ports in Portugal, with a significant increase in salt trade and cod fishing. In 1808, the new inlet (an artificial system that allows seawater to enter) was finally opened, a fact of exceptional importance for the future of Aveiro and the entire region. (Source: Wikipedia) (Source: Wikipedia)⁶

With 995.69 hectares, of which 733.48 hectares are on land and 262.21 hectares are marine, the Dunas de São Jacinto Nature Reserve is located in the "ria de Aveiro", on a thin sandy peninsula that separates the salt water from the brackish water, to which the Vouga River gives a "sweeter" taste.

The protected area consists of 3 very different zones: the dune area which leads into a pine and acacia forest that was planted at the end of the last century to reinforce the dunes. Inside there are some freshwater ponds.

These red rocks are known as Eirol sandstone, which is a sedimentary rock made up of sand bound together by a reddish cement, clay and iron oxides, and is therefore not very resistant. This sandstone was probably formed in the Upper Triassic period and extends over a small geographical strip delimited by the Vouga and Águeda valleys, and is quite developed in the Espinhel and Eirol area. The trail is indeed very beautiful.

It is a very varied, lonely tour through beautiful nature and adjacent small residential areas.

In this park is the magnificent Cascada da Cabreia, one of the most beautiful waterfalls in Portugal. The waterfall, formed by the waters of the Mau River, has an impressive height of 25 meters and its natural pool is a true delight. On hot days, no one can resist taking a dip in the delicious lagoon that forms at its base. In addition, the environment is surrounded by a lush forest crossed by the crystalline waters of the Mau River, which invites quiet walks and unique moments of contemplation.

Espinhel Park offers walkways and viewpoints to enjoy the lagoon and the village of Fermentelos. It is an area rich in biodiversity. and habitat for aquatic and migratory birds, close to the geological formation of Eirol sandstones.