Fort Ancient Earthworks
Fort Ancient State Memorial
Hopewell 1–450 CE·Hopewell tradition·🇺🇸 Ohio, United States
About
About Fort Ancient Earthworks
Largest hilltop enclosure in North America: 3.5-mile earthen wall 1.5–7 m high enclosing 40 ha above Little Miami River, Hopewell 1–450 CE with 67 gateways and Moorehead Circle timber enclosure (40 BCE–120 CE). Not a fort — ceremonial ridgetop enclosure.
Why it mattersArchaeological landmark for Hopewell tradition in Ohio; type-site demonstrating hilltop ceremonial enclosure and regional exchange.
Open questions
Mysteries & theories
Mysteries
- 01Function and chronology of Fort Ancient Earthworks within Hopewell 1–450 CE
- 02Relationship to neighboring polities
Theories
- 01Hopewell tradition ceremonial center for hilltop ceremonial enclosure
- 02Regional capital controlling trade and tribute network
Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.
History
How it came to be
- Built
- c.1–450 CE
- Period
- Hopewell 1–450 CE
- Culture
- Hopewell tradition
- Purpose
- Hilltop ceremonial enclosure
- Abandoned
- c.450 CE
- Rediscovered
- 1800s
- Excavation
- Excavated
c.1–450 CE
Fort Ancient Earthworks construction phase
20th century
Modern excavations
On the ground
Structures & features
39.4083° N · 84.0903° W · 244 m · 2 mapped features
Fort Ancient Earthworks central feature
featureMain architectural feature
39.4083° N · 84.0903° WFort Ancient Earthworks secondary sector
sectorSecondary sector
39.4093° N · 84.0893° W
Gallery