El Dorado and Evidence of Large Pre-Columbian Amazonian Settlements

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Key facts

• Lake Guatavita rituals are widely considered a basis for El Dorado, but surviving sixteenth-century Spanish accounts do not clearly establish a Muisca king diving into a primordial lake.
• Orellana traveled the Amazon in 1541–1542 and reported large Indigenous settlements; his account was not direct archaeological documentation, and some descriptions were disputed.
• The often-cited 43 survivors were Spaniards. Estimates of the Indigenous porters and their survivors vary, so 43 cannot be presented as the survival total for the entire expedition.
• European diseases caused catastrophic post-contact decline in many Indigenous communities, but there is no basis for saying disease uniformly spread ahead of explorers or alone destroyed every settlement Orellana described.
• Later reports often described diminished settlements, but the claim that only small villages remained across the entire Amazon is too sweeping.
• LiDAR surveys of the lower Amazon revealed extensive pre-Columbian settlements and earthworks. The widely cited estimate of 500,000–2 million people concerns the regional population, not individual cities with up to one million inhabitants.
• Orellana mentioned people with unusually large heads; whether he was describing cranial deformation is uncertain, and his account does not establish the settlements he described as cities in the archaeological sense.

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