The Rias Altas located in Spain are part of a group of larger formations spread within the coast of Galicia, conformed by the Rias Altas and the Rias Bajas. The Rias are estuaries origin when sea levels rise as well as they can be created by other geographical factors. The rias in Galicia where formed after he Ice Age after the sea level rose and gave shape to several indentations or estuaries throughout the coast line in this area.
The Rias, in Galicia, are considered to be among the main fishing areas in the world. Due to their nature, the rias or estuaries contain very peculiar ecosystems which often contain important amount of fish. This way, it is easy to imagine the importance of the fishing industry to this region and the way it gives shape to the traditions and landscapes visitors could meet, which, most of the times, are very beautiful and picturesque.
There are rias in several other regions of the world as well as near by the Galician ones in such a way that, per example, it is possible to find rias in Norway known as fjords, in Scotland known as lochs, and in Brittany known as abers. Although all of these rias have many aspects in common, they often...