Yanachaga-Chemillén National Park protects one of the lushest and best-preserved stretches of forest in Peru's central jungle, in the Cordillera de Yanachaga, inside the province of Oxapampa (department of Pasco). Its steep slopes, dropping from the Andes toward the Amazon plain, hold a mosaic of high cloud forest, montane forest and warmer jungle, cut through by waterfalls, ravines and crystal-clear rivers. It is the core of the Oxapampa-Asháninka-Yánesha Biosphere Reserve, recognized by UNESCO.
Its huge altitude gradient makes it a refuge of astonishing biodiversity: here live the spectacled bear (South America's only bear), the cock-of-the-rock —Peru's national bird—, monkeys, the majaz, deer, a multitude of birds and orchids, ferns and centuries-old trees. The park also borders the territories of the Yánesha and Asháninka Indigenous peoples, and it is part of a cultural landscape where Amazonian heritage lives alongside the Austro-German settlement of Oxapampa and Pozuzo.
This guide runs through the essentials of the park with a practical eye: what its landscape and its accessible sectors are like, which trails and waterfalls you can walk, how to organize the visit from Oxapampa, what wildlife and plants to look for, where to sleep and eat in the area and how to reach the central jungle. Yanachaga-Chemillén is not a mass destination but a paradise for nature lovers, for birdwatching and for cloud-forest trekking.
The park was created on 29 August 1986 to protect the watershed heads and the forests of the Cordillera de Yanachaga, in a territory inhabited since pre-Hispanic times by the Yánesha (Amuesha) and Asháninka peoples. Its surroundings went through intense European settlement in the 19th century, when Austrian and German settlers founded Pozuzo (1859) and later Oxapampa, leaving a Tyrolean stamp still visible in the architecture and the customs. Today it is the heart of the Oxapampa-Asháninka-Yánesha Biosphere Reserve, declared by UNESCO in 2010. The full story is on our history page.
Read the full history ↓The high-altitude mining region and the central jungle of Oxapampa: from the stone forest of Huayllay to the Austro-German colonies of Pozuzo, between the highest puna and the Amazon.
Read the history of Pasco →No exact prices: a scale from $ (budget) to $$$$$ (luxury), with 2-3 options per category.
Origins, formation and what the sources say.
In the middle of Peru's central jungle, among houses with Alpine roofs and families with Austrian surnames, rises a cloud-covered mountain range whose true ancestral owners were neither the Incas nor the European settlers. Long before the park or the colonial towns of the valley existed, the Cordillera de Yanachaga and the forests of the central jungle were the territory of Amazonian Indigenous peoples, in particular the Yánesha (also known as Amuesha) and the Asháninka. For centuries these peoples lived on the slopes and in the valleys of the eastern flank of the Andes, in a region of transition between the highlands and the Amazon plain, where the sheer diversity of plants and animals supported an economy of hunting, fishing, gathering and slash-and-burn farming.
For the Yánesha and the Asháninka these forests were not a simple resource but a world charged with spiritual meaning, with sacred hills, rivers and beings of the bush that were part of their worldview. The Cordillera de Yanachaga, its peaks often covered in cloud, held a prominent place in that landscape. Their deep knowledge of the jungle —of the medicinal plants, the cycles of the animals and the paths through the forest— is the first chapter in the conservation history of this area, long before any legal figure of protection.
Indigenous routes connected the jungle with the highlands and allowed the exchange of goods such as salt, feathers, coca and cotton. That long human presence, respectful of the forest, explains why these territories reached the 19th century still covered in jungle. Recognizing this Indigenous root is essential: today's National Park and Biosphere Reserve carry the names of the Asháninka and Yánesha peoples precisely because they are the ancestral heirs and guardians of these forests.
In the mid-19th century the Peruvian state pushed the settlement of the central cloud-forest fringe in order to fold these remote territories into the nation. That is how, in 1859, an expedition of settlers of Austrian (Tyrolean) and German origin arrived and, after a brutal journey across the Andes and the jungle, founded Pozuzo, considered the only Austro-German colony of its kind in the world. Later, part of that population and new migrants would also found and settle Oxapampa.
These settlers brought with them their language, their religion, their food and, above all, an unmistakable architecture: wooden houses with steeply pitched gabled roofs, designed for Alpine snow, that today come as a surprise in the middle of the jungle. The Tyrolean legacy stays alive in Pozuzo and Oxapampa through the food (cured meats, strudel, homemade bread), the festivals, the music and the Central European surnames that many families in the area still carry.
Settlement transformed the valley: roads were opened, cattle ranching and farming developed and, in time, coffee growing, which would become an emblematic product of the region. This expansion also put pressure on the forests and on the territories of the Indigenous peoples, however. The coexistence —not always easy— of European settlers, migrant Andean population and Amazonian peoples shaped the mixed and singular character of today's province of Oxapampa, a corner of Peru where the Tyrolean, the Andean and the Amazonian intertwine.
Toward the second half of the 20th century, the advance of settlement, farming and logging began to threaten the forests of the Cordillera de Yanachaga, which play a vital role as a watershed head: the rivers that supply water to the valleys and towns of the area rise and are regulated up in these heights. The need to protect those water sources and the extraordinary biodiversity of the range drove the push for its legal conservation.
So, on 29 August 1986, by supreme decree, Yanachaga-Chemillén National Park was established, covering a broad stretch of the Cordillera de Yanachaga in the province of Oxapampa. The park protects an impressive altitude range running from lowland jungle to summits above 3,000 meters, which translates into a succession of ecosystems —from warm jungle to high cloud forest— and into exceptional biodiversity, with emblematic species such as the spectacled bear and the cock-of-the-rock.
The park ended up surrounded by other areas and by the territories of the Yánesha and Asháninka communities, forming a large conservation corridor. Its management, today in the hands of Sernanp, seeks to reconcile the protection of the forests with the needs of the local population, in a region where pressure on the jungle remains a permanent challenge.
International recognition of the importance of these forests came in 2010, when UNESCO declared the Oxapampa-Asháninka-Yánesha Biosphere Reserve (BIOAY), with Yanachaga-Chemillén National Park as its core zone. A biosphere reserve is not just a protected area: it is a management model that seeks to combine the conservation of nature with the sustainable development of the human communities that live in it, bringing together science, culture and the local economy.
The reserve's very name is a statement of principle: it explicitly recognizes the Asháninka and Yánesha Indigenous peoples, as well as the diverse population of the province of Oxapampa, as protagonists of conservation. The reserve covers a territory taking in the park, protection forests, communal reserves and the areas inhabited by settlers and native communities, knitting together a large space where ecotourism, sustainable coffee, beekeeping, immersive tourism and scientific research are promoted.
Thanks to this designation, Yanachaga-Chemillén stopped being seen as an isolated island of forest and came to be understood as the heart of a living landscape, in which the jungle, the rivers, the Indigenous peoples and the Tyrolean legacy of Oxapampa and Pozuzo form a unique whole. For the traveler this means that visiting the park is a way of looking at once into one of Peru's great biodiversity reserves and into one of its most original cultural stories.
If the human history of Yanachaga-Chemillén is rich, its natural history is downright extraordinary. The park protects some 122,000 hectares of the eastern flank of the Andes, one of the biologically richest bands on the planet, where the abrupt drop from summits of over 3,500 meters to warm jungle creates, within a few kilometers, a staircase of ecosystems running from páramo and cloud forest to montane jungle and the edge of the Amazon. That altitude gradient is the key to its astonishing diversity.
The figures are striking: more than 500 bird species have been recorded —among them the cock-of-the-rock, the harpy eagle, the quetzal and numerous hummingbirds and tanagers— alongside emblematic mammals such as the spectacled bear, the jaguar, the puma and the elusive northern pudú, one of the smallest deer in the world. The flora is just as spectacular: thousands of plant species, with trees such as cedar, walnut and shihuahuaco, and a wealth of orchids that made the area famous; in the San Alberto sector alone more than six hundred species of these flowers have been identified.
This character as a biological reservoir has turned the park into a magnet for scientific research. Expeditions of botanists, ornithologists and zoologists have described species there that were new to science —frogs, orchids, insects— and every so often bird counts, such as those of the Global Big Day, add records never seen before. For Peru and for the world, Yanachaga-Chemillén is not just a beautiful park: it is a living laboratory where secrets are still waiting to be found, and a key piece in the conservation of Andean-Amazonian biodiversity in the face of advancing deforestation.