For decades, archaeologists didn't know the purpose of Australia's mystery Earth Rings—until excavations pointed to spiritual and ceremonial uses.

For decades, archaeologists didn't know the purpose of Australia's mystery Earth Rings—until excavations pointed to spiritual and ceremonial uses.


June 9, 2025 | Marlon Wright

For decades, archaeologists didn't know the purpose of Australia's mystery Earth Rings—until excavations pointed to spiritual and ceremonial uses.


Lost History

What happens when traditional knowledge meets modern science? Magic, apparently. Australian researchers have recently proved that some of the best discoveries come to light when different worlds work together.

Wurundjeri People

Mystery Rings

On Melbourne's outskirts, massive circular earthworks have puzzled observers for decades. These aren't natural formations but deliberate human constructions rising from Sunbury's hills. Each ring measures dozens of meters across, creating perfect geometric patterns that defied explanation until intriguing research emerged.

File:RiddellsRoadEarthRing.jpgGaryvines, Wikimedia Commons

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Global Phenomenon

Australia is not the only place with Earth Rings. These are found worldwide in locations such as England, Cambodia, and the Amazon rainforest. Ancient peoples across different continents independently crafted these circular formations, some stretching hundreds of meters wide, suggesting universal human impulses.

File:Figsbury Ring, outer earthwork, inner ditch - geograph.org.uk - 619750.jpgChris Downer, Wikimedia CommonsAncient Origins

New archaeological evidence reveals that the Australian rings were built between 590 and 1,400 years ago. This places their construction during medieval times in Europe, when Aboriginal communities were thriving across the continent with sophisticated engineering knowledge passed down through generations.

File:ReservoirRoadEarthRing.jpgGaryvines, Wikimedia Commons

Traditional Custodians

Apparently, the Wurundjeri Woi-wurrung people are the traditional owners of much of Greater Melbourne and its surrounding areas, including the Yarra River Valley, Merri Creek, and land extending north to Mount Disappointment, northwest to Macedon, and east to Mount Baw Baw and Healesville.

File:William BARAK - Wurundjeri people - Corroboree - Google Art Project.jpgWilliam BARAK - Wurundjeri people (1824 - 1903) Born in Victoria, Australia. Died in Victoria, Australia. Details on Google Art Project, Wikimedia Commons

Traditional Custodians (Cont.)

Their Country covers approximately 12,500 square kilometers. Wurundjeri ancestors have lived on this land for tens of thousands of years, with archaeological and oral history evidence supporting continuous occupation for over 65,000 years, making it one of the world’s longest unbroken cultural traditions.

Wurundjeri Woi-wurrung people 1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

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Wurundjeri People

The name "Wurundjeri" comes from "wurun" (meaning river white gum tree) and "djeri" (a grub found in the tree). They are sometimes referred to as the “witchetty grub people”. However, with the arrival of Europeans in 1835, they witnessed dispossession and population decline.

File:Welcome to Country And Smoking Ceremony (51062592548).jpgMatt Hrkac from Geelong/Melbourne, Australia, Wikimedia Commons

Rings Construction Process

So, the builders usually began by carefully clearing the land and removing plants from the chosen location, ensuring a suitable and open area for the ring. They then scraped back soil and rock from the surface, excavating and heaping the material into a large circular mound. 

Rings Construction Process1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

Rings Construction Process (Cont.)

This created a raised ring with a distinct edge, sometimes measuring up to 25 meters in diameter. Rocks were then layered and arranged within or around the ring, possibly as part of ceremonial features or to help define the structure’s boundaries.

Rings Construction Process 1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

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Sacred Purpose

Note that these formations weren't random constructions but served as secret ceremonial locations for initiation rituals and sacred gatherings. Different Aboriginal language groups from eastern Australia used similar ring sites for the most critical moments in their spiritual and community life.

 Ancient Earth Rings1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

Sacred Protocols

Access to these areas was often limited based on factors such as gender, clan, or other social groupings, reflecting their need to protect the sanctity of the rituals performed there. The high spiritual value of the rings means that disturbing or removing artifacts from such sites is illegal.

Ancient Earth Rings Discovered 1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

Landscape Management

Wurundjeri Woi-wurrung people actively shaped this environment for thousands of years using conventional fire management and careful plant cultivation. They followed prehistoric laws related to creation ancestors Bunjil and Waa, maintaining the delicate balance between human needs and natural systems.

Ancient Earth Rings Discovered1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

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Bunjil And Waa

Bunjil was seen as the headman or leader of the Kulin Nation, personifying wisdom and the principle of stewardship over the land. He is said to have crafted the first humans from clay and taught them how to live in harmony with the Country.

File:20120705 Bunjil Shelter.JPGMichael Barnett, Wikimedia Commons

Bunjil And Waa (Cont.)

Besides, Waa was associated with bringing fire to the people, often through acts of cunning or trickery, and played a vital role in balancing Bunjil’s authority. Every person in Kulin society belonged to either the Bunjil or Waa moiety, which determines kinship ties.

File:2014-04-29 01 Northwestern crow (Corvus brachyrhynchos caurinus).jpgGordon Leggett, Wikimedia Commons

Surviving Five

Today, five Earth rings survive in Sunbury. These rings are located on the hills west of Jackson's Creek, called biik wurrdha in the Woi-wurrung language, meaning “land of many”. This creek serves as a natural boundary between the Marin Buluk and Wurundjeri Wilam clans.

File:Clarkefield Jacksons Creek Valley 003.JPGMattinbgn (talk · contribs), Wikimedia Commons

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Colonial Destruction

European settlement devastated most of these Rings through farming and urban development after 1835. Historians estimate that hundreds once existed across New South Wales and Queensland alone, but only around 100 survive today, which is a tragic loss of irreplaceable cultural heritage.

File:Panorama of Bombo, New South Wales.jpgPhilip Terry Graham, Wikimedia Commons

First Excavation

Well, archaeologist David Frankel made history in 1979 by conducting the first scientific excavation of an Australian Earth Ring. He chose Sunbury Ring G, uncovering 166 stone artifacts that would later provide critical clues about how Aboriginal people used these mysterious sacred sites.

Ancient Earth Rings Discovered 1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

Sunbury Ring G 

This ring holds special significance as a ceremonial meeting place where ancestors, referred to as Liwik, traveled and gathered for important rituals. Strategically located between the Marin bulluk and Wurundjeri wilam clan territories, and separated by biik wurrdha, Ring G functioned as a central point for inter-clan gatherings.

Ancient Earth Rings Discovered 1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

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New Investigation

In 2022, the Wurundjeri Woi-wurrung people led a groundbreaking new archaeological investigation at Sunbury Ring G, setting a milestone in Australian heritage research. For the first time, Aboriginal elders and knowledge holders took the lead in guiding the research process.

Ancient Earth Rings Discovered1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

New Investigation (Cont.)

This method ensured that both traditional cultural protocols and modern scientific methods were integrated throughout the project. Wurundjeri Woi-wurrung elders directed the research. They defined what could be studied, how the site was approached, and how findings were interpreted and shared. 

Ancient Earth Rings Discovered1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

Stone Artifacts

Researchers painstakingly reassembled the 166 stone tools like a complex jigsaw puzzle. They used high-powered microscopes to study edge damage and polishing on tool surfaces. Distinctive occurrences indicated activities like cutting soft materials (e.g., animal hides) or scraping hard surfaces (e.g., wood or bone).

Neolithic Stone Tools & WeaponsGary Todd, Flickr

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Dating Results

Similarly, chemical testing identified microscopic traces of plant fibers, animal collagen, and ochre, linking tools to tasks like preparing food, creating ceremonial objects, or body scarification. It all pinpointed the ring's construction to between 590 and 1,400 years ago using advanced dating techniques.

ochreM.M.PHOTO, Shutterstock

Fire Practices

Archaeological evidence, such as charcoal deposits and fire-reddened earth, confirms that campfires were regularly lit within Ring G. These fires obviously provided comfort and warmth, especially during overnight meetings. Food preparation and communal meals were also central to gatherings, with fires used for roasting and cooking.

Ancient Earth Rings Discovered 1,400-Year-Old Mystery SOLVED! 🏺 Ancient Earth Rings Discovered in Australia! by Discovery Hub

National Recognition 

Several of the Sunbury Earth Rings received official protection in 1986 through their inclusion on the Register of the National Estate. The addition of these components helped ensure their management and conservation under the oversight of the Wurundjeri Woi-wurrung Cultural Heritage Aboriginal Corporation.

File:Sign acknowledging Aboriginal Custodians of the land.JPGKazadams, Wikimedia Commons

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Development Threats

Housing developments now surround some rings, with one completely encircled by residential back fences along Fullwood Drive. Developers have even proposed incorporating rings into traffic roundabouts in order to highlight the ongoing struggle between urban expansion and heritage preservation.

a construction site with a dump truck and houses in the backgroundErnie Journeys, Unsplash


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