What is oldest known pre Colombian civilization?

The oldest known pre-Columbian civilization is the Norte Chico civilization, also known as the Caral-Supe civilization, which emerged around 3000 BCE in present-day Peru. It is characterized by its remarkable urban centers, complex societal structure, and monumental architecture, including large pyramids. Norte Chico is notable for its early development of agriculture and trade, predating other well-known civilizations in the Americas. Its existence highlights the advanced cultural and societal achievements of early Andean societies.