Bagni San Filippo

Bagni San Filippo is an area in the municipality of Castiglione d'Orcia in the Province of Siena, Italy, not far from Monte Amiata.

It is a small hot spring containing calcium carbonate deposits, which form white concretions and waterfalls.

The name derives from that of St Philip Benizi, who was a prior of the Servite order, and who lived as a hermit here in the thirteenth century.

The grotto is open to visitors.

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