18 July 2025 The Future is the Product of the Past

Giant Prehistoric Rock Engravings Discovered in South America May Be The World’s Largest

Researchers made a groundbreaking discovery of what is thought to be the world’s largest prehistoric rock art. Enormous engraved rock art of anacondas, rodents, giant Amazonian centipedes, and other animals along the Orinoco River in Colombia and Venezuela may have been used to mark territory 2,000 years ago.

Rock engravings recorded by researchers from Bournemouth University (UK), University College London (UK) and Universidad de los Andes (Colombia), believe this is the largest single rock engraving recorded anywhere in the world. Some of the engravings are tens of meters long – with the largest measuring more than 40m in length.

While some of the locations were previously known, the team has used drone photography to map 14 sites of monumental rock engravings, which are defined as those that are more than four meters wide or high, and has also found several more.

While it is difficult to date rock engravings, similar motifs used on pottery found in the area indicate that they were created anywhere up to 2,000 years ago, although possibly much older. Many of the largest engravings are of snakes, believed to be boa constrictors or anacondas, which played an important role in the myths and beliefs of the local Indigenous population.

Their size makes them visible from a distance, suggesting they were used as ancient signposts that told travelers along the prehistoric trade route whose territory they were entering and leaving.

The new findings were published on Monday in Antiquity.

The engravings may represent mythological traditions that continue today, says archaeologist and anthropologist Carlos Castaño-Uribe, scientific director of the Caribbean Environmental Heritage Foundation in Colombia.

Orthophoto detail of monumental rock art on Picure Island, Venezuela. Photo: Dr Philip Riris
Orthophoto detail of monumental rock art on Picure Island, Venezuela. Photo: Dr Philip Riris

Lead author Dr Phil Riris, Senior Lecturer in Archaeological Environmental Modelling at Bournemouth University, said: “These monumental sites are truly big, impressive sites, which we believe were meant to be seen from some distance away.

“We know that anacondas and boas are associated with not just the creator deity of some of Indigenous groups in the region, but that they are also seen as lethal beings that can kill people and large animals.

“We believe the engravings could have been used by prehistoric groups as a way to mark territory, letting people know that this is where they live and that appropriate behaviour is expected.

“Snakes are generally interpreted as quite threatening, so where the rock art is located could be a signal that these are places where you need to mind your manners.”

The researchers located 157 rock art locations between the upriver Maipures Rapids and the downstream Colombian city of Puerto Carreño. Of these, more than a dozen had engravings longer than four meters (about 13 feet). The largest is the anaconda, which is over 40 meters (roughly 130 feet) in length. Riris says it is likely the largest known prehistoric rock engraving in the world.

University College London'da Latin Amerika arkeolojisi okuyan Dr. José Oliver, anıtsal kaya resimleri taşıyan granit tepelerin büyüklüğünü gösteriyor. Photo: Philip Riris ve ark.
University College London’da Latin Amerika arkeolojisi okuyan Dr. José Oliver, anıtsal kaya resimleri taşıyan granit tepelerin büyüklüğünü gösteriyor. Photo: Philip Riris ve ark.

The images were produced by chipping away the granite surface—which in this region is stained dark by untold years of bacterial growth—to reveal the lighter rock beneath.

Some of the engravings are at usually below the waterline and only visible in seasons when the river is low, while others are located a  short distance away from the banks, on large granite outcrops that stand over the savanna landscape of the river basin. There are also engravings, and occasionally paintings, in natural rock shelters near the river.

Dr José R. Oliver, Reader in Latin American Archaeology at University College London Institute of Archaeology, added: “The engravings are mainly concentrated along a stretch of the Orinoco River called the Atures Rapids, which would have been an important prehistoric trade and travel route.

“We think that they are meant to be seen specifically from the Orinoco because most travel at the time would have been on the river. Archaeology tells us that it was it was a diverse environment and there was a lot of trade and interaction.

“This means it would have been a key point of contact, and so making your mark could have been all the more important because of that – marking out your local identity and letting visitors know that you are here.”

Monumental rock art of a snake tail in Colombia dwarfs the humans in this image. Photo: Philip Riris ve ark.
Monumental rock art of a snake tail in Colombia dwarfs the humans in this image. Photo: Philip Riris ve ark.

The research team concludes that it is vital that these monumental rock art sites are protected to ensure their preservation and continued study, with the Indigenous peoples of the Orinoco region central to this process.

Dr Natalia Lozada Mendieta from Universidad de los Andes said: “We’ve registered these sites with the Colombian and Venezuelan national heritage bodies as a matter of course, but some of the communities around it feel a very strong connection to the rock art. Moving forward, we believe they are likely to be the best custodians.”

The research was funded by the Leverhulme Trust, The Society of Antiquaries of London, Universidad de los Andes, the Fundación de Investigaciones Arqueológicas Nacionales (Colombia), and the British Academy.

Bournemouth University

Cover Photo: Telephoto shot of monumental rock art of snake body in Colombia, humans for scale. Photo: Dr José Oliver

Related Articles

Mysterious Handprints Found in the Ancient Mayan Cave

1 May 2021

1 May 2021

In Mexico, home to ancient civilizations such as the Maya, Aztec, and Inca, archaeologist Sergio Grosjean found dozens of mysterious...

Bronze Age metal hoard discovered in the Swiss Alps at Roman battle site

29 June 2023

29 June 2023

Archaeologists excavating the Switzerland Oberhalbstein valley have discovered a metal hoard containing more than 80 bronze artifacts dating from 1200...

A Rare Bilingual Inscription Discovered in Saudi Arabia’s Tabuk Province

28 June 2024

28 June 2024

Saudi Arabia’s Heritage Commission announced the discovery of a rare bilingual inscription in the village of Alqan in the Tabuk...

Viking Tomb Discovery in Denmark May Reveal Elite Family Linked to King Harald Bluetooth

20 June 2025

20 June 2025

A stunning archaeological discovery near Aarhus, Denmark, has revealed 30 Viking Age graves that may belong to a powerful aristocratic...

The ruins of a thousand-year-old Buddhist Temple will be opened to the public in Kyrgyzstan

13 September 2022

13 September 2022

The unearthed remains of an ancient Buddhist temple in Kyrgyzstan will open to the public in mid-September as part of...

Important archaeological find in the seas of Sicily: Archaic stone anchors found off Syracuse

24 November 2023

24 November 2023

During a joint operation by the Maritime Superintendency of the Sicilian Region and the Diving Unit of the Guardia di...

Undeciphered Rongorongo Script from Easter Island may Predate European Colonization

12 February 2024

12 February 2024

From the depths of history, a wooden tablet bearing the mysterious “rongorongo” script has been unearthed from the small, remote...

12,000-Year-Old rock art may depict extinct giants of the ice age

13 March 2022

13 March 2022

South America was filled with ice age animals more than 12,000 years ago, including car-sized ground sloths, elephantine herbivores, and...

Scientists Reconstruct Face Of 16th Century Italian ‘Vampire’ Buried With Brick In Mouth

23 March 2024

23 March 2024

A 16th-century ‘vampire‘ who was buried with a stone brick jammed in her mouth over fears she would feed on...

An extraordinary archaeological discovery in Spain: A new decorated stela has been found in context, in the 3000-year-old funerary complex

15 October 2023

15 October 2023 2

Archaeologists have discovered a new decorated stela in the 3000-year-old burial complex of Las Capellanías in Cañaveral de León (Huelva,...

An ancient melon genome from Libya reveals interesting insights regarding watermelon relatives

2 August 2022

2 August 2022

The earliest known seeds from a watermelon related were discovered during an archaeological dig in Libya, going back 6,000 years...

Egypt unearths ancient quarters of mining leader in the Sinai Peninsula during the Middle Kingdom

19 January 2022

19 January 2022

The Egyptian Ministry of Tourism and Antiquities announced recently that an Egyptian archaeological mission working in Wadi Al-Nasab in South...

Ancient Mastaba Tomb of Royal Physician “Magician of the Goddess Selket” discovered in Sakkara

7 January 2025

7 January 2025

In the southern region of the Saqqara archaeological site, a joint French-Swiss archaeological team made an important discovery uncovering the...

Buddha statue discovered in ancient city of Berenice, Egypt

29 April 2023

29 April 2023

Archaeologists excavating in the ancient Egyptian seaport Berenice Troglodytica on the western shore of the Red Sea have unearthed a...

New Research Reveals Previously Unknown Aspects of the Construction, Use, and Ritual Significance of a Neolithic Rondel Found in Poland

12 December 2024

12 December 2024

An archaeological excavation at Nowe Objezierze in north-western Poland has uncovered a rondel dating to around 4800 BC, offering new...