The Wancasanga archaeological site recently yielded new evidence of the Inca empire expanding through the northern Andes. Researchers working in the Condebamba valley in Cajamarca identified twelve circular structures. They also discovered a unique stone construction featuring ancient ventilation ducts. This recent Wancasanga archaeological find helps historians understand how the Inca state managed resources in the region.
Ancient Circular Colcas and Artifacts
During the 2026 excavation season, experts focused heavily on sectors C and D of the site. In Excavation Unit 02, the team uncovered twelve circular structures arranged in a distinct half-moon shape. Archaeologists believe these buildings functioned as colcas. The ancient Inca administration used these specific spaces to store vast quantities of state goods.
The research team also recovered several ceramic fragments inside these round walls. They notably found pieces of an aryballos, a classic Inca storage jar. These specific pottery shards confirm the strong cultural link to the Tahuantinsuyo expansion. Do you find northern Andean history fascinating? You can compare this storage system with the coastal Vichama archaeological discoveries we reported recently.
Stone Ventilation Systems and Community Support
Archaeologists found another isolated structure in Excavation Unit 01. This specific building contains two thermal ducts built from carved stone blocks and large roof slabs. Archaeologist Oswaldo Ezeta Latoche explained how this configuration worked. This intelligent design allowed continuous air circulation inside the storage units. Builders placed these structures on the western edge of the sector. This specific location catches the strong prevailing winds perfectly. This advanced ventilation technology shares remarkable similarities with other complexes along the Qhapaq Ñan.
The Condebamba District Municipality currently finances this vital research project. Archaeologist Jerry Solano Calderón leads the multidisciplinary team. They work closely with local residents from the Chauchabamba village. The community actively participates in daily excavations and educational workshops. The team also collaborates with the Yachayhuasi Museum to document every recovered artifact carefully. Through these joint efforts, officials hope to expand our knowledge of the ancient Inca presence nearby.
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