Reconstruction
Guitarrero Cave overlooks the Santa River in Peru’s Callejón de Huaylas, about 2,580 meters above sea level. Its dry interior preserved materials that normally vanish from archaeological sites: plant fragments, cordage, woven fiber, wood, bone, and animal remains. Directly dated fiber artifacts now place the cave’s earliest confirmed use at approximately 12,100–11,800 calibrated years before present, or roughly 10,150–9,850 BCE. Most evidence indicates repeated, probably brief visits by mobile foragers rather than occupation by a settled farming village.
The inhabitants hunted deer and smaller animals while collecting plants from the valley and neighboring slopes. Excavators recovered edible roots, tubers, rhizomes, fruits, seeds, and gourds. Oca and ulluco have been proposed among the underground storage organs, although some identifications remain tentative. Lúcuma, pacae and other fruits were also reported. These remains demonstrate detailed knowledge of seasonal vegetation, but they do not reveal complete meals or recipes. Roasting in embers, boiling in perishable containers, drying, pounding, or eating foods raw are reasonable possibilities for the period, not directly demonstrated preparation methods for particular Guitarrero specimens.
Plant use was inseparable from technology. Fibers were cleaned, twisted into cord, knotted, and woven into mats, bags, baskets, or other equipment. Direct AMS dates show that some cordage and twined textiles are approximately 12,000–11,000 years old. Such objects could support gathering, transport, storage, trapping, clothing, and cooking, although the exact function of each fragment is not always recoverable. The sophistication of this perishable technology is direct evidence; assigning its manufacture to a particular gender or treating it as proof of settled life remains an interpretation.
Guitarrero became famous for claims that domesticated common beans and lima beans occurred in deposits as early as the ninth millennium BCE. Direct AMS dating later changed that picture. A common bean from the cave dates to roughly 4,400 radiocarbon years ago, approximately the third millennium BCE, while directly dated lima beans are later still. The younger results suggest that beans entered older-looking layers through disturbance or intrusion. Consequently, the cave securely documents very early plant gathering and fiber working, but it does not securely document bean cultivation between 10,000 and 5,500 BCE.
Its importance therefore lies less in identifying a single moment when farming began than in preserving a long, complicated record of Andean resource use. Tubers, fruits, beans, gourds, and chili peppers later became central to regional food systems, while bags, cords, and baskets remained essential to harvesting and storage. Modern Andean cuisines retain many comparable ingredients, but uninterrupted descent from the cave’s individual plant remains cannot be demonstrated.
Historical context
Glaciers were retreating from the tropical Andes and plant and animal communities were adjusting to rapid climatic change near the end of the Pleistocene and beginning of the Holocene. Guitarrero Cave stood at about 2,580 meters in a temperate intermontane corridor linking the Santa Valley with higher puna environments. Its earliest visitors were mobile foragers using stone points, scrapers, wood, bone, and remarkably complex plant-fiber equipment; pottery and metal vessels were not yet available. Direct dates suggest initial use around 12,100–11,800 calibrated years before present, followed by several short visits around 11,300–10,300 years ago. Farming emerged gradually and unevenly in the Andes, so plant collection, hunting, gardening, and cultivation should not be treated as a single abrupt transition.
Evidence
Archaeological
StrongExcavated deposits contain stone tools, hearth-associated material, faunal remains, wood, bone, cordage, textiles, and botanical remains documenting repeated human use of the cave.
Archaeobotanical
ModerateExceptional preservation securely demonstrates extensive plant use, including underground storage organs, fruits, seeds, gourds, and fiber plants. Some individual taxonomic identifications, particularly oca and ulluco, were tentative.
Zooarchaeological
StrongAnimal remains include deer and smaller fauna associated with the early cultural complexes, supporting a mixed hunting-and-gathering economy.
Food identification
ModerateCommon and lima beans were morphologically identified, and edible fruits and underground plant organs were reported. Direct dating shows that several beans are much younger than the deposits to which they were originally assigned.
Dating
StrongDirect AMS dates on cordage and textiles place initial confirmed cave use around 12,100–11,800 calibrated years before present. Direct bean dates substantially revise the originally proposed early cultivation chronology.
Preparation method
LimitedThe assemblage demonstrates plant acquisition and fiber processing, but it does not securely identify recipes or connect particular food specimens with roasting, boiling, grinding, or other specific cooking methods.
Geographic attribution
StrongThe excavated cave is securely located in the Callejón de Huaylas of Ancash, overlooking the Santa River at approximately 2,580 meters above sea level.
Historical interpretation
InterpretiveReconstructions involving seasonal movement, the functions of fiber objects, gendered production, or transitions from foraging to cultivation are scholarly interpretations rather than direct observations.
Visual reconstruction
LimitedRecovered plant remains and fiber artifacts can guide depictions of materials and techniques, but clothing, meals, containers in use, group composition, and camp organization remain incompletely known.
Sources
- 1.Thomas F. Lynch and Kenneth A. R. Kennedy (1970). Early Human Cultural and Skeletal Remains from Guitarrero Cave, Northern Peru. Science 169(3952): 1307–1309. doi:10.1126/science.169.3952.1307Primary archaeology
- 2.Thomas F. Lynch, Richard Gillespie, John A. J. Gowlett, and R. E. M. Hedges (1985). Chronology of Guitarrero Cave, Peru. Science 229(4716): 864–867. doi:10.1126/science.229.4716.864Primary archaeology
- 3.C. Earle Smith Jr. (1980). Plant Remains from Guitarrero Cave. Guitarrero Cave: Early Man in the Andes, edited by Thomas F. Lynch, Academic Press, pp. 87–119. doi:10.1016/B978-0-12-460580-0.50011-0Primary archaeology
- 4.Lawrence Kaplan and Thomas F. Lynch (1999). Phaseolus (Fabaceae) in Archaeology: AMS Radiocarbon Dates and Their Significance for Pre-Columbian Agriculture. Economic Botany 53(3): 261–272. doi:10.1007/BF02866636Scientific literature
- 5.Edward A. Jolie, Thomas F. Lynch, Phil R. Geib, and J. M. Adovasio (2011). Cordage, Textiles, and the Late Pleistocene Peopling of the Andes. Current Anthropology 52(2): 285–296. doi:10.1086/659336Scientific literature
Limitations
- majordate end
The supplied 5,500 BCE endpoint does not encompass the directly dated cultivation evidence emphasized in crop histories of Guitarrero. Direct AMS dating places the cave's common bean at roughly the third millennium BCE and its directly dated lima beans later; beans formerly attributed to early Holocene layers may be intrusive.
- majordescription
The description risks implying that cultivation is securely documented at Guitarrero between 10,000 and 5,500 BCE. Strong evidence supports early plant use and fiber working, but early Holocene bean cultivation claims were materially weakened by direct dating, and several proposed tuber identifications or domestication statuses remain uncertain.
- minoris technology
Guitarrero preserves directly dated cordage and textile technology, but the card's principal subject is a place and its plant users rather than a discrete food technology. No specific early Holocene cooking or crop-production technology has been securely identified.
