Cahokia Mounds State Historic Site's five-mile palisade walls defended main plaza with bastions and guard towers

City/town/settlement1000 - 1500 AD
The Roundtable Chronicles - Ep. 26
Source: The Roundtable Chronicles - Ep. 26 by Institute for Natural Philosophy

Cahokia's defensive system featured a central palisade wall roughly two miles long, rebuilt in four successive phases, encircling the main ceremonial precinct. Bastions spaced along the walls served as elevated guard positions, while the log walls themselves were anchored in post pits. Archaeologists have noted the sophisticated construction of this Mississippian-era settlement.

Key facts

  • Cahokia Mounds State Historic Site had palisade walls surrounding the main plaza
  • Estimates suggest each wall was approximately five miles long
  • Four separate palisades encircled the site, built one outside the other
  • Bastions or guard towers equally spaced around the palisade walls for elevated defense positions
  • Walls made of logs embedded in post pits at least four feet deep in the earth
  • Defensive system compared to medieval European fortification design

Site mentioned

📄 Cahokia Mounds State Historic Site🌍 Show on the globe

Sources

EXPLORE – Cahokia Mounds State Historic Sitecahokiamounds.org
Excavations begun in 1966 eventually confirmed that an enormous, two-mile-long stockade surrounded the central portion of Cahokia. The wall appears to have been ...
The types of bastions present in the four phases of Cahokia's Central...researchgate.net
Even though bastions within Palisade III and IV were about the same size as those in Palisade II (Figure 2, Table 3), fewer posts were required to construct ...
Cahokia - Wikipediaen.wikipedia.org
The park covers 2,200 acres (890 ha), or about 3.5 square miles (9 km 2), and contains about 80 manmade mounds, but the ancient city was much larger.
[PDF] Cahokia Moundsnpshistory.com
The Stockade, or Palisade, is a 1og wall built for defense. Nearly two miles long around the central ceremonial precinct, it also served as a social barrier ...
Cahokia: Mirror of the Cosmos, Sally A. Kitt Chappell, an excerptpress.uchicago.edu
The Cahokia landscape had mythic dimensions. Stretching for six square miles, more than one hundred mounds rose from the earth with monumental presence.
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