Cuba has a narrow and elongated shape along the parallel, in fact it extends, for 1 200 km from east (Punta Maisí) to the west (Cabo San Antonio), while the average depth is of 80-100 km, its coastal development is over 3 500 km. The island is largely flat, with isolated peaks that rarely exceed 1 000 metres, to the west in the province of Pinar del Rio is the Sierra de los Órganos, the landscape here is characterized by limestone rock formations that have the characteristic pipe organ form covered with vegetation, in the center of the island is located the Sierra de Trinidad with mountains no more than 1000 metres heights. To the south-east along the coast is finally the Sierra Maestra, where is the highest mountain in the country, the Pico Real del Turquino (1 974 metres). The rivers are full of water but short, the longest is the Rio Cauto (250 km). Regarding the economy, it is based mainly on agricultural products, particularly sugar cane and tobacco, but also on fruit tree pruning (bananas, pineapples, citrus fruits), coffee, potatoes, corn and rice. Important also is the breeding (cattle, pigs, sheep and goats). A certain importance is covered by mining, there are extracted cromite, nickel, cobalt, oil and manganese. The industry is linked to the processing of agricultural products, particularly in the processing of sugar and tobacco. Still more important is the tourism thanks to the beauty of the beaches and many historical attractions of the old colonial centers.