Mysteria
Acre Geoglyphs (Geoglifos do Acre)

Acre Geoglyphs (Geoglifos do Acre)

Western Amazon Geoglyphs

Pre-Columbian 1–1500 CE·Acre / Xinguano tradition·🇧🇷 Acre & Rondônia, Amazon Basin, Brazil

Pärssinen, M., Kalliola, R., Ranzi, A. et al. Over 20,000 precolonial earthworks in the Southwest Amazonia. Nature (2026). https://doi.org/10.1038/s41586-026-10835-7 · CC BY 4.0

About

About Acre Geoglyphs (Geoglifos do Acre)

Hundreds of large ditched enclosures (squares, circles, U-shapes) revealed since 1977 by deforestation, built by pre-Columbian Amazonian cultures using forest clearance, dated 1–1500 CE, associated with Kuhikugu Xinguano.

History

How it came to be

Built
400–1500 CE (OSL and C14)
Period
Pre-Columbian 1–1500 CE
Culture
Acre / Xinguano tradition
Purpose
Ceremonial plazas, villages, astronomical
Excavation
Excavation ongoing
  1. 400–1500 CE (OSL and C14)

    Initial construction

  2. c. 1408 CE

    Rediscovery

Location

Where it is

9.8000° S · 67.5000° W · 200 m

Gallery

Photo

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