Cave of Sainte-Colombe, archaeological site of the Bronze Age, the Roman period and the Middle Ages, Archaeological cave in Undervelier, Switzerland
The Cave of Sainte-Colombe is an archaeological site near Undervelier that extends roughly 30 meters deep into the rock face with an entrance spanning approximately 26 meters wide and rising about 7 meters high. Its spacious opening and large interior make it a notable natural cave formation in the region.
The cave served as a dwelling and shelter during the Bronze Age, the Roman period, and the Middle Ages, as archaeological evidence shows. Excavations in the 1940s by Frédéric-Édouard Koby uncovered pottery and artifacts from these distinct time periods.
The cave holds a Christian shrine with a crucifix at its entrance and functions as a pilgrimage destination honoring Saint Columba of Sens. Visitors come to pray and experience the spiritual meaning this place carries for the local community.
The cave sits on the left bank of the Sorne River between Les Forges and Undervelier and is reachable via the main road connecting Delsberger Basin to Bellelay. The location is straightforward to reach for visitors exploring this archaeological site.
A natural spring inside the cave feeds a stream that flows through the interior, descending over a stalagmite formation into a shallow pool. This hidden water feature adds an unexpected geological element to the archaeological site.
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