Pozo de Sant Lazaro, Pit cave at Puente de Piedra, Zaragoza, Spain
Pozo de Sant Lazaro is a pit cave located between the northernmost arches of the Stone Bridge, descending roughly 18 meters into the Ebro River. The cave remains permanently submerged beneath the river's waters, with strong currents flowing through it continuously.
The cave takes its name from the San Lazaro Convent, founded in 1224 by the Order of Our Lady of Mercy near the bridge. This establishment played a role in the religious life of the surrounding community for centuries.
The cave takes its name from the San Lazaro Convent that once stood near the bridge. For locals, this place carries stories passed down through generations about people and events connected to the river.
Access to this cave is not possible for regular visitors since it lies completely submerged beneath the river. The location can be observed from the Stone Bridge itself, where informational plaques describe the site's features.
In 1975, divers submerged a statue of the Virgin del Pilar at the cave's depths to commemorate a bus accident that killed many people in 1971. This act transformed the location into an underwater memorial beneath the bridge.
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