Red pigment markings at Bacon Hole Cave in Wales. Credit: George H. Nash / CC BY 4.0
A series of red markings inside a cave in south Wales has been confirmed as the UK oldest cave art, ending decades of debate over whether the images were created by humans or formed naturally.
Researchers determined that the markings at Bacon Hole Cave near Mumbles were painted about 17,100 years ago during the Upper Paleolithic period. The discovery makes them the oldest known rock art in Britain and northwestern Europe. The findings overturn a conclusion that had stood since 1928, when experts dismissed the markings as natural mineral stains rather than prehistoric artwork.
Discovery revisited after more than a century
The markings were first reported in 1912 by professors William Sollas and Henri Breuil, who identified the red bands as prehistoric cave paintings. At the time, the discovery was described as the first example of Paleolithic cave art found in Britain.
A substantial breccia deposit is located around the current entrance area of the cave. Credit: George H. Nash / CC BY 4.0
That interpretation was later rejected. Researchers concluded that the red streaks were caused by iron-rich minerals seeping through the limestone walls, and the site gradually lost its significance as a prehistoric art location.
More than a century later, an international team led by prehistoric art specialist George Nash reexamined the markings using scientific methods unavailable to earlier researchers. The team’s findings, published in the journal Quaternary, confirmed that the red pigment was intentionally applied by humans around 17,100 years ago.
Scientific analysis confirms human origin
Researchers used uranium-thorium dating and archaeometric analysis to study the pigment and surrounding cave deposits. Laboratory tests identified a mixture of calcite and clay residues within the paint, indicating that the material had been deliberately prepared. Analysis also showed that the pigment was applied directly with a finger.
The painted lines appear as evenly spaced horizontal bands arranged in a structured pattern. Researchers said the design is inconsistent with natural geological processes and supports the interpretation originally proposed in 1912.
Part of the artwork may have been overlooked for decades because a local fisherman painted graffiti on a nearby section of the cave chamber in 1894, making the markings more difficult to interpret.
Life in Wales during the Ice Age
Eastern view of the cave entrance and the Bristol Channel. Credit: George H. Nash / CC BY 4.0
The artwork was created as Wales emerged from one of the coldest phases of the last Ice Age, known as the Devensian glaciation. At the time, the landscape around Bacon Hole was a cold, largely treeless environment. Researchers believe the area surrounding what is now the Bristol Channel attracted large grazing animals during seasonal migrations.
The cave and other nearby shelters along the Gower coastline would have provided suitable living spaces for hunter-gatherer groups moving through the region.
A significant addition to Britain’s prehistoric record
Bacon Hole Cave lies within the limestone cliffs of the Gower Peninsula overlooking the Bristol Channel. Although the area is recognized for its natural beauty, the cave is not currently protected as a scheduled monument.
Researchers argue that the site’s newly confirmed status as the UK oldest cave art strengthens the case for greater protection. The study was conducted by researchers from First Art, the University of Southampton, Swansea University and other institutions, with support from the National Trust and the Bradshaw Foundation.
The discovery adds to a small number of known examples of Upper Paleolithic rock art in Britain and provides rare evidence of artistic activity in the region more than 17,000 years ago.
A Câmara Municipal de Loulé endereça as felicitações a Diogo Virgínia, jovem louletano que alcançou dia 27, o título de Vice-Campeão no Campeonato da Europa de Orientação em BTT, prova que decorreu em Vilar Formoso.
O atleta do Club BTT Terra de Loulé conquistou o 2º lugar na prova de Mass Start/Longa Distância do escalão M17, sagrando-se Vice-Campeão Europeu.
Num formato exigente, marcado pela resistência física, velocidade e decisões constantes, o jovem atleta português voltou a colocar Portugal em destaque numa das maiores competições internacionais de Orientação em BTT.
“Parabéns, Diogo! Parabéns, Club BTT Terra de Loulé! Obrigada por projetarem o nome do nosso concelho além-fronteiras! Este incrível resultado honra o desporto louletano e motiva-nos a trabalhar ainda mais para proporcionarmos as melhores condições a todos os praticantes, seja quem é atleta federado ou quem pratica desporto informalmente”, afirma o presidente da Autarquia de Loulé, Telmo Pinto.
Recorde-se que o BTT e todas as suas vertentes mobilizam no concelho de Loulé um elevado número de praticantes, de todas as idades. O Club BTT Terra de Loulé é um dos principais clubes da Europa ao nível da formação desportiva.
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