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Ecosystems

Peruvians are fond of pointing out that their country consists of three distinct geological components: coast, sierra (highlands), and selva (jungle). Although the largest cities are situated along the coast, the Amazon rainforest, which makes up nearly two-thirds of Peru, and the bold Andes mountain range dominate the country. The Pacific coastal region is a narrow strip that runs from one end of the country to the other (a distance of some 2,200km/1,400 miles) and is made up almost entirely of desert. The Andes, South America's longest mountain range, is the most significant feature of the Peruvian landscape. The mountain ranges in the center of Peru, north of Lima, are among the highest in Peru. Within Huascarán National Park, the Cordillera Blanca stretches 200km (124 miles) and contains a dozen peaks more than 5,000m (16,400 ft.) tall; the highest is Huascarán, at 6,768m (22,205 ft.). In extreme southern Peru, near Puno and Lake Titicaca, the Andes yield to the altiplano, the arid high plains, with altitudes of 3,300 meters (11,000 ft.). The selva ranges from cloud forest in the south to low-lying flatlands in the north. Although 60% of Peru is Amazon rainforest, only about 5% of the country's human inhabitants reside there. Massive Lake Titicaca, shared with Bolivia, is the largest lake in South America and the world's highest navigable body of water (at 3,830m/12,566 ft.).

Flora & Fauna

Nearly two-thirds of Peru is jungle, and many naturalists and biologists believe that Peru's Amazon rainforest holds the greatest diversity in the world. It teems with a staggering roster of wildlife: 400 species of mammals, 2,000 species of fish, 300 reptiles, 1,800 birds, and more than 50,000 plants. The country counts 84 of 103 existing ecosystems and 28 of the 32 climates on the planet among its remarkable statistics. Recent studies have shown that a region just south of Iquitos has the highest concentration of mammals anywhere in the world. Peru's other significant fauna are the great Andean condors, found principally in Colca Canyon, near Arequipa, and the rich marine life of the Paracas National Reserve and Islas Ballestas (Peru's version of the Galápagos Islands), home to communities of endangered Humboldt penguins and sea turtles, sea lions, red boobies and flamingoes. Coastal Peru south of Lima is also home to one of the greatest population densities of dolphins in the world, with one-third of the world's species identified.

Environmental Threats

The vast Amazon basin that pertains to Peru holds a phenomenal wealth of flora and fauna but a dwindling human presence. Indigenous Amazonian tribes have been greatly reduced by centuries of disease, deforestation, and assimilation. There were once some six million people, 2,000 tribes and/or ethnic groups, and innumerable languages in the Amazon basin; today the indigenous population is less than two million. Still, many traditions and languages have yet to be extinguished, especially deep in the jungle -- though most visitors are unlikely to come into contact with groups of unadulterated, non-Spanish-speaking native peoples.

Peru is losing nearly 300,000 hectares (740,000 acres) of rainforest annually. The primary threats to Peru's tropical forests are deforestation caused by agricultural expansion, cattle ranching, logging, oil extraction and spills, mining, illegal coca farming, and colonization initiatives. Deforestation has shrunk territories belonging to indigenous peoples and wiped out more than 90% of the population.

Peru has 72 million hectares (178 million acres) of natural-growth forests -- 70% in the Amazon jungle region -- that comprise nearly 60% of the national territory. Peru has done a slightly better job of setting aside tracts of rainforest as national park reserves and regulating industry than have some other Latin American and Asian countries. The Manu Biosphere Reserve, the Tambopata National Reserve, and the Pacaya-Samiria National Reserve are three of the largest protected rainforest areas in the world, and the government regulates entry of tour groups. Peru augmented the Bahuaja-Sonene National Park, which was created in 1996, by 809,000 hectares (nearly 2 million acres) in 2001. INRENA, Peru's Institute for Natural Resource Management, enforces logging regulations and reseeds Peru's Amazon forests, and in 2008, President García created the country's first Ministry of the Environment. A handful of Peruvian and international environmental and conservation groups, such as ProNaturaleza and Conservation International are active in Peru, working on reforestation and sustainable forestry projects.

Jungle ecotourism has exploded in Peru, and rainforest regions are now much more accessible than they once were, with more lodges and eco-options than ever. Many are taking leading roles in sustainable tourism even as they introduce protected regions to more travelers.

Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.