Calilegua National Park

Discover the Calilegua National Park (in Spanish: Parque Nacional Calilegua), a treasure of biodiversity in Argentina, concealed within the clouds of Jujuy Province. Regarded as one of Argentina’s mightiest national parks, Calilegua serves as a sanctuary for endemic species and a paradise for nature enthusiasts.

Calilegua National Park Information

Calilegua National Park

History and Establishment

The Park was established on July 19, 1979 (Decree No. 1,733/79) with the purpose of safeguarding one of Argentina’s most significant mountain jungle areas. Its establishment marked a pivotal step in conserving the Yungas ecosystem.

Meaning of the Name "Calilegua"

The name "Calilegua" originates from the Aymara language and translates to "Stone Viewpoint." This appellation conjures the presence of natural viewpoints and distinctive rocks in the area, offering panoramic views of immense beauty. The name reflects the scenic importance and the connection with nature that one experiences when visiting this unique place.

Location and How to Get There

Situated in the southeastern part of Jujuy Province, reaching Calilegua involves a captivating journey through shifting landscapes. There are various driving routes from major cities and regular bus services from San Salvador de Jujuy. It can be located at coordinates: 23°38′20″S 64°50′17″W.

To access Calilegua National Park, you can take Provincial Route 83, which is located 8 km away from National Route 34. This route, also known as the Scenic Yungas Route, is a well-graded gravel road that connects the park with the nearby towns of San Francisco, Valle Grande, and Valle Colorado.

The region where the park is situated offers a wide variety of excursions related to wildlife observation and adventure tourism. Visitors can enjoy thrilling activities and explore nature in all its glory.

If you arrive at the Libertador General San Martín bus terminal, you can take a daily bus departing at 8:30 AM to Valle Grande. This bus returns in the afternoon, allowing visitors to enjoy a day trip and return comfortably.

With these access options, visitors have the opportunity to reach Calilegua National Park and immerse themselves in the beauty of the Argentine Yungas, exploring its trails, observing wildlife, and enjoying an unforgettable nature experience.

Climate and Ideal Visiting Season

The climate varies considerably with altitude, but the best time to visit is usually during the dry season, from April to October. During these months, temperatures are pleasant, and rainfall is less frequent.

Located in the Yungas jungle ecoregion, where a warm and humid climate prevails. The area experiences a significant amount of rainfall, ranging from 900 to 1,300 mm. This constant precipitation contributes to the lush vegetation and diversity of wildlife in the park. Additionally, the park encompasses the sub-Andean mountains, ranging from altitudes of 400 to 3,000 meters above sea level. This altitudinal variation in the landscape creates diverse microclimates and contributes to the richness and variety of ecosystems present in Calilegua National Park.

Topography and Ecosystems

The park is renowned for its Yungas, mountain forests that harbor a rich diversity of flora and fauna. Steep slopes and deep valleys create a stunning landscape.


Encompassing over 76,306 hectares, Calilegua hosts a variety of ecosystems due to its wide range of altitudes. Here, you’ll find everything from cloud forests to tropical jungles.

Biodiversity of Calilegua

Calilegua is home to more than 400 bird species, as well as a variety of mammals, including the jaguar and the Andean tapir. The diversity of plants is also impressive, with over 2,000 registered species.


It harbors a range of ecosystems and types of forests within its expanse. In the lower areas, between 550 and 700 meters above sea level, you’ll find the foothill jungle, which serves as a transitional environment between the dry Chaco Forest and the humid Yungas. Species such as cebil colorado, tipa blanca, and lapacho rosado thrive here.

At higher altitudes, between 700 and 1,500 meters above sea level, the mountain jungle prevails, primarily a cloud forest. This type of forest is characterized by the presence of trees like laurel, ceibo, cedro colla, and cebil blanco.

On the hillsides above 1,500 or 1,600 meters above sea level, the montane forest is found, dominated by species such as nogales, yellow lapachos, hill pines, alisos, and saucos. These forests cover cane thickets.

At higher altitudes, around 1,900 meters above sea level, you’ll encounter queñoa forests, which diminish in size and density as altitude increases. Above 2,300 meters above sea level, queñoa forests become scarce, giving way to vegetation resembling a grassland.

In the highest area, on the summit of the Calilegua range, there’s a patch of fog pastureland, like an "island" surrounded by the predominant forests of the region.


Calilegua National Park hosts a diversity of native fauna, including endemic and endangered species. Among the mammals present in the park are the jaguar, puma, ocelot, jaguarundi, Andean deer (taruca), red brocket deer, river otter, capybara, collared peccary, montane fox, gray fox, greater grison, maned wolf, coati, Brazilian dwarf brocket, capuchin monkey, common agouti, reddish-brown guinea pig, and red squirrel, among others.

Regarding reptiles, there’s the broad-snouted caiman (yacaré overo), various snake species like the brown mussurana, and several types of snakes, such as Philodryas olfersii and the Chacoan coral snake.

Several amphibians also inhabit the park, including toads like Rhinella gallardoi, Rhinella quechua, Rhinella rumbolli, and the Yungas monkey frog.

It’s also an important habitat for birds, with over 377 recorded species. These include eagles such as the poma, crested eagle, black-chested buzzard-eagle, solitary eagle, and crowned solitary eagle; the alisera tinamou; the water tyrants; the lyre-tailed nightjar; the black woodpecker and the Andean swift. Various hummingbirds, herons like the whistling heron, moorhen, and cocoi heron, as well as different woodpecker and songbird species, have been recorded. They play a significant role in fauna conservation, protecting and preserving the habitat of these species, many of which are considered rare or globally threatened.

Main Attractions of Calilegua National Park

With such a varied landscape and rich biodiversity, Calilegua offers visitors a wide range of attractions and activities to enjoy.

Highlighted Viewpoints

The park’s viewpoints, such as the Cruz Viewpoint and the Cerro Bayo Viewpoint, offer impressive panoramic views of the forests and mountains of the region.

Trails and Trekking Routes

With trails that wind through dense jungle and ascend to high peaks, Calilegua is an ideal destination for trekking enthusiasts. The routes vary in difficulty, providing options for all skill levels.

Within Calilegua National Park, there are nine trails available to visitors, each with different levels of difficulty and duration. These trails start from Provincial Route 83 and offer a variety of experiences for hikers.

Guaraní Intercultural Trail

Approximately 2 hours in duration with a moderate level of difficulty. It provides an experience for visitors to explore the culture and traditions of the Guaraní community.

La Herradura Trail

A short 10-minute walk with low difficulty. Perfect for those who want a leisurely stroll and to enjoy the surroundings without much physical demand.

La Lagunita Trail

For a longer hike, the La Lagunita Trail takes about 2 hours with a moderate level of difficulty. During this hike, trekkers can enjoy panoramic views and discover beautiful lagoons.

Tatapuá Trail

For more experienced adventurers, the Tatapuá Trail is a challenging option lasting approximately 5 hours with high difficulty. This trail offers a more intense trekking experience and allows exploration of stunning landscapes.

La Junta Trail

The La Junta Trail is another option for experienced hikers, lasting about 4 hours with high difficulty. This trail leads visitors to a meeting point of two rivers, where they can enjoy the natural beauty of the location.

El Negrito Trail

If you’re looking for a hike of intermediate duration, the El Negrito Trail takes about 3 hours with high difficulty. During this trek, hikers can venture into the jungle and enjoy the diversity of flora and fauna.

Tapir Trail

The Tapir Trail lasts approximately 2 hours with moderate difficulty. It’s an excellent option for those who want the opportunity to spot wildlife, including the tapir.

El Pedemontano Trail

For a gentler experience, the El Pedemontano Trail takes about 1 hour with low difficulty. Visitors can enjoy a pleasant stroll through the natural surroundings.

Bosque del Cielo Trail

Finally, the Bosque del Cielo Trail is a short 10-minute walk with low difficulty. It’s ideal for a peaceful and quick walk to enjoy the views.

El Alejo Trail

The El Alejo Trail is another short route, lasting approximately 15 minutes with moderate difficulty. Visitors can enjoy a serene walk while exploring the beauty of the surroundings.

With these diverse trails, Calilegua National Park offers options for all skill levels and available time, allowing visitors to immerse themselves in nature and enjoy the wonders of the park.

Wildlife Observation Zones

Wildlife in Calilegua is vibrant and diverse, with specific areas designated for observing birds and other animals in their natural habitat.

Tourist Activities

The possibilities are endless when it comes to enjoying the natural beauty of Calilegua.

Guided Excursions and Hiking

Participate in guided walking tours to explore the park and learn about its biodiversity. Local guides are experts in identifying and explaining the park’s flora and fauna.

Nature Photography

The park offers unparalleled opportunities for nature photography. The rich biodiversity, along with the impressive landscape, creates a perfect setting for photographers of all levels.


With over 400 bird species, Calilegua is a paradise for birdwatchers. Come and enjoy this spectacular display of nature.

Practical Visitor Information

To ensure an enjoyable and safe visit to Calilegua National Park, it’s important to consider the following practical information.

Park Rules and Regulations

The park has several rules aimed at protecting nature and ensuring visitor safety. These include restrictions on plant collection and interaction with wildlife.

Facilities and Services in the Park

Calilegua has various facilities for visitors, including picnic areas, information centers, and restrooms. There are also lodging options near the park.

Visitor Safety Tips

For a safe visit, it’s important to be prepared for climate variations and to follow the advice of park rangers and signs along the trails.

Contributions to Conservation

Calilegua National Park plays a vital role in environmental conservation and biodiversity in Argentina.

Ongoing Conservation Projects

There are several ongoing projects in Calilegua aimed at protecting and conserving its rich biodiversity. These include research programs and the protection of endangered species.

Scientific Research and Knowledge Contribution

The park serves as an important hub for scientific research, providing valuable insights into the biodiversity and ecosystems of the Yungas. Research conducted here has significantly contributed to our understanding of biodiversity in Argentina.

Cultural Impact and Local Communities

Calilegua National Park is not only a place of ecological significance but also a space with a strong cultural and community impact.

Participation of Local Communities

Local communities have been deeply involved in the management and conservation of the park, often employed as guides and support staff. Their knowledge and skills have been fundamental to the success of many conservation initiatives.

Cultural Significance of the Park

In addition to its rich biodiversity, Calilegua also houses a number of culturally and archaeologically significant sites, reflecting the region’s rich history and heritage.

Future of Calilegua National Park

As we face the challenges of climate change and biodiversity loss, the role of Calilegua National Park is more crucial than ever.

Conservation Challenges

Despite its conservation successes, Calilegua continues to face ongoing challenges such as climate change and human pressure. These challenges demand effective park management and protection.

Future Plans and Development Projects

Future plans for Calilegua include projects to enhance visitor facilities as well as conservation and education programs to ensure the ongoing protection of its unique biodiversity.

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