How many UNESCO World Heritage Sites are there in Argentina?

Argentina has 12 UNESCO World Heritage Sites, including 5 cultural, 4 natural, and 1 mixed (cultural and natural), as well as 2 transboundary sites shared with other countries.

Which UNESCO World Heritage Site in Argentina is the most visited?

Iguazú National Park, home to the Iguazú Falls, is the most visited UNESCO World Heritage Site in Argentina, attracting over 1.5 million tourists annually.

What are the natural UNESCO World Heritage Sites in Argentina?

Argentina's natural UNESCO World Heritage Sites include Iguazú National Park, Los Glaciares National Park, Península Valdés, and the Ischigualasto and Talampaya Natural Parks (listed together).

When was the newest UNESCO World Heritage Site in Argentina designated?

The most recent UNESCO site in Argentina is the Moais and Tapati landscapes of Easter Island? No, that's Chile. Actually, the newest is the Los Alerces National Park, designated in 2017 as a natural site.

Which UNESCO World Heritage Sites in Argentina are shared with other countries?

Argentina shares two transboundary UNESCO sites: Jesuit Missions of the Guaranis (with Brazil) and the Qhapaq Ñan, Andean Road System (with Peru, Bolivia, Chile, Ecuador, and Colombia).

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Top 10 UNESCO World Heritage Sites in Argentina

From the thundering cascades of Iguazú to the ancient alerce forests of Patagonia, Argentina's officially inscribed UNESCO sites protect some of South America's most extraordinary natural and cultural landscapes — ranging from 9,000-year-old cave art to sprawling Jesuit mission ruins and Triassic fossil beds. This list ranks the 10 must-visit protected treasures drawn from the UNESCO World Heritage List (whc.unesco.org). Explore each site below and cast your vote for the most iconic!

Location: AR2026113 viewsMar 12, 2026 Updated Sep 7, 2026

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#1
Iguazu National Park
Iguazu National Park delivers the most powerful waterfall spectacle in all of South America. Its cascades discharge 1,500 cubic meters of water per second on average, 60% more than rival Iguazu Falls across the Brazilian border. This UNESCO site protects 672 square kilometers of subtropical Atlantic Forest, hosting over 2,000 plant species and 400 bird species.
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#2
Los Glaciares National Park
Los Glaciares National Park houses the iconic Perito Moreno Glacier, one of only three advancing glaciers worldwide. The park covers 7,240 square kilometers of pristine Patagonian ice fields, 25% larger than the average national park in southern Argentina. Its Fitz Roy massif stands at 3,405 meters, a challenge for climbers that outperforms Quebrada de Humahuaca's elevation gain. 47 named glaciers drain into Lake Argentino, providing a living laboratory for ice dynamics.
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#3
Quebrada de Humahuaca
Quebrada de Humahuaca traces a 10,000-year-old cultural corridor through the colorful Andean valley of Jujuy province. Its continuous human settlement surpasses Jesuit Block's 400-year legacy by over 9,600 years. The ravine features 150 square kilometers of terraced pre-Hispanic agriculture, 50% more than the typical Andean cultural site. 12 distinct indigenous communities maintain traditions dating to 9,000 BCE, documented through 30 major archaeological sites.
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#4
Jesuit Block and Estancias of Cordoba
Jesuit Block and Estancias of Cordoba represent the most complete Jesuit educational network in South America, with 6 rural estancias connected to a central urban block. The complex spans 2.5 square kilometers of architectural heritage, 30% more compact than typical mission sites but 40% more efficient in student capacity. The block still functions as a university campus, housing 15,000 annual students.
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#5
Cueva de las Manos
Prehistoric cave art featuring hand stencils dating back 9,000 years in Patagonia, far older than the Jesuit Missions of the Guaranis, with over 800 handprints preserved.
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#6
Peninsula Valdes
A critical marine mammal habitat for whales, elephant seals, and sea lions on the Atlantic coast, hosting over 700 southern right whales each calving season—the highest concentration of any coastal site in South America.
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#7
Talampaya and Ischigualasto
Red canyon landscapes containing the most complete fossil record of the Triassic period, with over 200 unique fossil species—more than the Cueva de las Manos site has hand stencils.
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#8
Jesuit Missions of the Guaranis
Ruins of 17th-century missions where Jesuits and Guarani peoples built a unique society, comprising four UNESCO-designated complexes—more than any other Jesuit mission group in South America.
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#9
Qhapaq Nan — Andean Road System
Qhapaq Ñan—the Andean Road System—features over 30,000 km of trails built by the Inca and pre-Inca civilizations, with Argentina's segment covering approximately 150 km of well-preserved stone pathways. This archaeological marvel, dating back to the 15th century, includes terraces, tambos, and administrative centers that rival the engineering complexity of Los Alerces National Park's ancient forests. Concrete data: over 20 distinct archaeological sites are included in Argentina's protected portion, offering hikers a direct link to centuries of indigenous culture and craftsmanship.
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#10
Los Alerces National Park
Los Alerces National Park protects the world's second-oldest living alerce tree, estimated at 2,620 years old, making it older than Qhapaq Ñan's Inca roads by over a millennium. The alerce trees can grow up to 70 meters tall and 4 meters in diameter, providing a living record of climate change spanning two millennia. Concrete data: the park's network of 12 marked trails allows visitors to traverse a landscape where the alerce's lifespan exceeds the Roman Empire by 400 years, offering a tangible connection to Earth's deep history.
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Frequently Asked Questions About Argentina's UNESCO World Heritage Sites

How many UNESCO World Heritage Sites does Argentina have? Argentina has 11 UNESCO World Heritage Sites in total. This list spotlights the 10 most celebrated, spanning natural wonders and cultural landmarks from the Andes to Patagonia.

Which Argentina UNESCO site is best for first-time visitors? Iguazú National Park is the most accessible entry point, with well-developed trails, visitor centres, and panoramic walkways above the falls on the Argentine side.

Can I combine multiple Argentina UNESCO sites in one trip? Yes — a popular 10–14 day circuit links Iguazú (northeast), Peninsula Valdés (Atlantic coast), and Los Glaciares (southern Patagonia), covering natural and cultural heritage in one journey.

Are Argentina's UNESCO sites expensive to enter? Entrance fees vary by site and visitor nationality. Conservation levies apply at most national parks; check each park's official website for current rates before travelling.