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Cloud forest of Río Abiseo National Park in northern Peru
Archaeology News

Gran Pajatén: New Chachapoya Structures

A Lidar scan revealed more than 100 Chachapoya structures in Río Abiseo National Park, rewriting the history of the site.

15 Jul 2025 Read: 4 min Travel
Blog article

A discovery that quadruples what is known

Lidar technology detected more than 100 new Chachapoya structures around the Gran Pajatén archaeological complex, a major leap for Peruvian archaeology.

Through a remote Lidar (Light Detection and Ranging) scan, researchers identified more than 100 structures belonging to the Chachapoya culture around Gran Pajatén. The find quadruples the number of buildings known in the area and confirms a center far more complex than anyone imagined.

Recent discovery — a find that expands the history of northern Peru.
UNESCO World Heritage — a mixed site combining natural and cultural value.
Archaeological news

What did the Lidar scan reveal?

Behind the mist of the forest, the technology revealed a much larger built landscape than expected.

More than 100 new structures

Previously unknown Chachapoya buildings were identified, multiplying by four the number of structures documented in the area.

An interconnected network

Roads, platforms and buildings connected to one another reveal a planned territorial system far more extensive than once thought.

A ceremonial and administrative center

The complexity of the complex confirms that Gran Pajatén was a key point in Chachapoya social and religious organization.

A new boost for research

The discovery opens the door to future fieldwork aimed at understanding the architecture and territorial control of the ancient Chachapoya.

World heritage

Río Abiseo National Park

Declared a UNESCO World Heritage Mixed Site, this corner of northern Peru remains remote and difficult to reach.

Natural and cultural value

The Warriors of the Clouds

Gran Pajatén remains a remote place surrounded by cloud forests that protected its structures for centuries. The Lidar scan allowed researchers to “see through” the vegetation without touching the ground.

The Chachapoya, known as the “Warriors of the Clouds,” were one of the most fascinating societies in the Andes before Inca expansion, and discoveries like this reveal their architectural and territorial sophistication.

UNESCO Mixed Site — nature and culture protected in the same park.
Limited access — the difficulty of reaching it protects the site and its beauty.
High-mountain vegetation in Río Abiseo National Park

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