Great Circle Earthworks
A nearly 1,200-foot circular enclosure, high earthen wall, interior ditch, and ceremonial gateway survive from the immense Newark Earthworks complex and now anchor its visitor orientation.

Artwork inspired by Aminah Brenda Lynn Robinson
The Great Circle is not simply a mound seen from the road. Its builders moved enormous quantities of earth to create a wall and deep interior ditch around a space entered through one carefully defined gateway. The enclosure formed part of the much larger Newark complex, where geometry, ceremony, travel, and observation linked people to one another and to cycles in the sky.
Walk the perimeter before crossing the center. Changes in visibility and sound help explain why a high wall and interior ditch could structure experience as powerfully as a roofed building. The small museum is the best orientation for both Great Circle and Octagon; the surviving Wright Square is nearby. Treat all three as parts of a fractured four-square-mile Indigenous design rather than unrelated parks.
- Circle diameter
- Nearly 1,200 feet
- World Heritage
- Inscribed 2023
- Grounds
- Free
Quick guide
- Circle the wall first
- Let repeated distance establish the builders’ enormous scale.
- Enter through the gateway
- Notice how compression and release change the enclosure.
How to experience monumental geometry from the ground
- Circle the wall first
- Let repeated distance establish the builders’ enormous scale.
- Enter through the gateway
- Notice how compression and release change the enclosure.
- Find Eagle Mound
- Consider the low interior form without assuming one settled interpretation.
- Reconnect Newark
- Use maps to restore vanished avenues and squares mentally.
Good to know
The Great Circle, Octagon, and Wright Earthworks have separate addresses. Begin here for the staffed museum, then drive less than a mile to the other Newark components.
Notice these
- High circular wall and ditch
- Ceremonial gateway
- Eagle Mound