You must cite suspected that in these elevations still live the Woodpecker (Ara tricolor), considered the largest species of larger size of these birds on the planet. In addition, these mountains are the sanctuary where are located the mollusks of the genus Polymita, classified as the most beautiful in the world. This massif lies the unique stone bridge in Cuba, the Bitiri, which stands on the river of the same name, proclaimed a national monument. There are also the National Park La Mensura, Crystal peak and Alejandro de Humboldt. Next to them is the most important area of deposits of polymetallic ores of Cuba, among which are nickel, cobalt and manganese, among others. Also located in these provinces the most extensive mountain system of Cuba, Sierra Maestra, which boasts numerous peaks exceed 1000m, finding two of La Bayamesa national parks and Turquino, at elevations of the same name.
The latter occupies part of the highest mountain in Cuba, the Real Turquino peak, with nearly of 1962m. above sea level. Also the deepest seas next to Cuban shores, in the so-called pit of Bartlett, are almost 2 000 m of depth. On the South coast are located where they are most frequent Earth tremors, although of low density. Particularly in the western part of the southern coast lies the coastal plain closer and extensive of the country, bordered by a mountain system and cross a road, where numerous volcanic rocks (Granites, basalts, etc.), emerge during the whole journey. Also in the South are several terraces systems most important sailors of the Caribbean, while in one of them the Parque Nacional del Granma, which was proclaimed by the UNESCO Natural Heritage, in the Natural landscape of the humanity category by this wonder of nature. It should be noted that on the South coast are the unique vegetation formations similar to real deserts in the Caribbean.