A high-desert time capsule
In the arid Patagonian steppe of Argentina's Neuquén Province, Cueva Epullán Grande shows the past. For thousands of years, this cave provided shelter for hunter-gatherer groups. The site's dry, cold environment created perfect conditions for preserving organic materials that would normally decay, including textiles woven around 500 AD. The cave was a temporary camp; it was also a burial site, with archaeological excavations revealing human remains alongside everyday objects. The long history of human activity is also etched into the rock itself, with petroglyphs on the cave floor dating back as far as 10,000 years.
The textiles discovered here are made from the fine undercoat of the guanaco (Lama guanicoe), a wild camelid native to South America and ancestor of the domestic llama. This soft, warm fiber, with a diameter of about 16-18 microns, was a prized material for ancient Andean cultures. The weaving techniques used to create these 1,500-year-old fabrics are complex, showing mastery of the craft. Remarkably, some of these same techniques are still practiced by indigenous Mapuche weavers in the region today, demonstrating a long continuity of cultural knowledge.
Woven from a wider world
Analysis of the textile fibers reveals details about the lives of the people who used the cave. The guanacos that supplied the wool were not all local. Isotope analysis, which studies chemical signatures in the fibers, indicates that some of the animals lived and foraged as far as 50 kilometers away from Cueva Epullán Grande. This finding suggests the people were not isolated but moved across a large territory, likely following seasonal resources and hunting grounds. The guanaco was a primary source of protein for people in Patagonia for millennia.
The textiles themselves are part of human occupation in the cave system. The main cave, Epullán Grande, and a smaller nearby cave, Epullán Chica, contain evidence of a diet that included the guanaco, the lesser rhea (Rhea pennata), and smaller mammals like armadillos and cavies. The presence of these textiles within a funerary context connects the practical skill of weaving with the spiritual life and rituals of these ancient Patagonian people. Each thread carries information about ecology, resource management, and cultural identity across vast landscapes and deep time.