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The Cajamarquilla archaeological site is located 25 km inland from the coastal city of Lima Peru; in the Jicamarca valley, 6 km north of the river Rímac. It occupies an area of approximately 167 ha, making it one of the largest archaeological monuments in the country. The site itself is now surrounded by several small villages which are encroaching upon and threatening its largely unfenced perimeter - despite its nationally 'protected' status.
Cajamarquilla is an 'adobe' city, which served as an important trading centre during the height of the Lima Culture. It was occupied throughout the first millennium of the current era, but climate change and natural disasters (e.g. earthquakes) eventually led to its abandonment several hundred years before the Spanish conquest. Situated in a (then) fertile valley on a major trade route between the 'altiplano' region of the high Andes and the coastal communities of the Pacific coast, Cajamarquilla became a sophisticated centre for culture, religion and commerce. At the site, it is possible to observe the remains of temple pyramids, wide streets, ceremonial squares, cemeteries, underground grain silos, canals and numerous other enclosures and buildings (many of unidentified use) -- all constructed using 'tapial' methods (i.e. mud brick and plaster).