The Algarve is a gem in blue and green tones; with sea and golf, rivers and mountains. It is full of white stone houses, orange and almond trees, carob and strawberry trees, and rivers such as the Guadiana and the Arade. It has plains and mountains (Monchique and Caldeirão, among others), and the Ria Formosa guards a unique ecosystem. The Algarve is not simply the beach, however the beaches here are the heart that beats and pumps blood to the other parts of the region. They are the air that helps it to breathe; the oxygen that makes this the most important tourist region in Portugal and one of the most famous in Europe.