Sinnissippi Mounds, Archaeological burial mounds in Sterling, Illinois.
The Sinnissippi Mounds site contains multiple earthen structures positioned on a high bluff overlooking the Rock River in northern Illinois.
Native Americans of the Havana Hopewell culture constructed these burial mounds approximately two thousand years ago as part of their ceremonial practices.
These mounds demonstrate the advanced engineering capabilities of ancient Native American societies and their complex understanding of landscape architecture.
The archaeological site, located within Sinnissippi Park, features interpretive signs along walking paths that explain the historical significance of the mounds.
Early investigations of the mounds by the Sterling Scientific Club in the 1870s documented numerous artifacts before subsequent looting removed many archaeological materials.
Location: Illinois
GPS coordinates: 41.79722,-89.65972
Latest update: March 3, 2025 02:01
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