Qualla: Nelson Bay Cave

Nelson Bay Cave: Introduction

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Sara Watson, CC0. The people who sheltered here 125,000 years ago were not so different from us. They chose their tools deliberately, buried their dead in fetal positions adorned with shells and ochre, and adapted as the sea advanced and retreated across the coastal plain below. Nelson Bay Cave, cut into the quartzite cliffs of the Robberg Peninsula at Plettenberg Bay, holds one of southern Africa's longest and most revealing archaeological sequences -- a layered record of human ingenuity stretching from the Middle Stone Age through the Holocene, written in stone, bone, and the remains of meals long since consumed.

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Image: Sara Watson | CC0

Nelson Bay Cave: Layers of Deep Time

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Sara Watson, CC0. The cave is 18 meters wide and 35 meters deep, its opening perched 21 meters above sea level on the south-facing slope of the Robberg Peninsula. The peninsula itself -- 4 kilometers of sandstone and quartzite belonging to the Cape Supergroup -- has been carved by waves into a ser...

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Image: Sara Watson | CC0

Nelson Bay Cave: The Robberg Industry

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Discott, CC BY-SA 4.0. Nelson Bay Cave is the type-site for the Robberg Industry -- the place where this particular Later Stone Age stone-tool tradition was first studied in detail. Three distinct technological traditions are represented in the cave's deposits: the Middle Stone Age, the Howiesons Poort...

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Image: Discott | CC BY-SA 4.0

Nelson Bay Cave: When the Sea Retreated

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Sara Watson, CC0. During the Last Glacial Maximum, the coastline moved 100 kilometers seaward and the sea level dropped 130 meters, exposing the Paleo-Agulhas Plain -- a vast grassland that stretched from the foot of the cliffs to a distant shore. From roughly 22,000 to 14,000 years ago, extensive...

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Image: Sara Watson | CC0

Nelson Bay Cave: The Burials at the Threshold

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Discott, CC BY-SA 4.0. Among the most poignant discoveries at Nelson Bay Cave were the burials uncovered near the entrance during the earliest excavations. The remains were positioned in a fetal pose, decorated with shells and red ochre -- evidence of intentional, ritual treatment of the dead by people...

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Image: Discott | CC BY-SA 4.0

Nelson Bay Cave: Guarding the Record

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Sara Watson, CC0. Nelson Bay Cave and the Robberg Peninsula sit within the Robberg Nature Reserve, a provincial heritage site monitored by CapeNature. In 2000, the surrounding waters were designated a marine protected area. The cave itself presented a conservation challenge: how to display an arch...

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Image: Sara Watson | CC0