Ancient Discovery on Velanai Island Rewrites Sri Lanka's Prehistoric Timeline
Archaeologists have confirmed the oldest known human settlement in northern Sri Lanka, pushing back the region's timeline of island habitation by thousands of years and overturning long-held assumptions about early migration patterns.
A new study in the Journal of Island and Coastal Archaeology identifies Velanai Island as the site of the earliest confirmed prehistoric occupation in northern Sri Lanka. The finding challenges the widespread belief that the area's scarce stone resources and semi-arid landscape made it unsuitable for early human life.
“This discovery fundamentally changes our understanding of how and where ancient people lived in South Asia,” said Dr. Priya Ratnayake, lead archaeologist at the University of Jaffna, who was not involved in the study. “It shows that early island dwellers were far more adaptable than we ever imagined.”
The occupation dates back to the late Pleistocene epoch, around 12,000 years ago—nearly 5,000 years earlier than previously thought for this region. Researchers uncovered stone tools, charcoal fragments, and food remains that reveal a sophisticated use of local resources.
“We found clear evidence that these people were exploiting raw materials from distant sources, indicating well-established trade or travel networks,” said Dr. Samantha Fernando, study co-author and archaeologist at the University of Peradeniya. “They were also already fishing and processing shellfish, showing a mixed subsistence strategy.”
The area has been long overlooked because of its lack of high-quality flint—the typical material for stone tools in Sri Lanka. But the team discovered that inhabitants used alternative stones like quartzite and limestone, skillfully adapted to the environment.
Read more background on the study here.
Background
For decades, mainstream archaeological models held that northern Sri Lanka remained uninhabited until much later, when climate conditions became more favorable. The region's dry, scrubby terrain and absence of major river systems were considered serious barriers.
Previous research had focused on the wet zone in the south and central highlands, where caves like Fa Hien and Batadomba yielded rich evidence of early humans. Velanai Island, part of the Jaffna archipelago, was neglected as a possible site.
The current study analyzed sediments and artifacts from a small rock shelter on the island. Radiocarbon dating confirmed the age of charcoal layers containing microliths—tiny stone blades—and marine shells with cut marks.
“This challenges the assumption that early humans only thrived in resource-rich tropical forests,” Dr. Ratnayake explained. “It demonstrates that even marginal landscapes could support sustainable populations.”
The research also provides the earliest direct evidence of seafaring in northern Sri Lanka. The island would have been separated from the mainland during periods of high sea level, meaning the inhabitants must have crossed open water.
What This Means
The findings have significant implications for our understanding of human dispersal across the Indian Ocean. Experts say it suggests that early seafaring technology and knowledge of coastal resources were more advanced than previously thought.
“If people were island-hopping in northern Sri Lanka 12,000 years ago, they likely had coastal rafts or simple boats,” said Dr. Fernando. “This could revise timelines for early maritime migration routes to Australia and the Pacific.”
The evidence also points to early cultural adaptation and resilience. The inhabitants not only survived but thrived in a challenging environment, developing new tool-making techniques and relying heavily on marine food sources.
“This is a wake-up call for archaeologists to stop ignoring semi-arid coastal zones,” Dr. Ratnayake added. “The real story of early human expansion is often found in places we thought were empty.”
The team plans to expand excavations to other islands in the Jaffna archipelago to see if similar sites exist. The study is part of a broader effort to map human settlement patterns across Sri Lanka's diverse ecological zones.
For now, the Velanai Island site stands as a monument to human ingenuity—and a sharp revision of what experts thought they knew about life on this ancient island.
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