🇲🇽 Mexico · Guanajuato (near San Miguel de Allende)
♨ Temperature
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⛰ Altitude
1873 m
⚗ pH
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💧 TDS
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🌊 Flow rate
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📅 Established
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✓ Verified on 2026-07-31
Along the highway between San Miguel de Allende and Dolores Hidalgo, natural thermal water rising from the region's ancient volcanic activity feeds a string of balnearios, of which La Gruta is among the most distinctive. Its signature feature is a short tunnel that opens into a partly enclosed cave pool, where the confined space concentrates the mineral-rich steam for what regulars describe as a natural sauna effect. Outside the cave, several open-air thermal pools set among gardens round out the visit -- OpenStreetMap records the site simply as a natural hot spring, and it has operated for decades as one of the region's most distinctive low-key thermal escapes, open Wednesday through Sunday.
Phone+52 415 185 2162
Websitelagruta-spa.com.mx
AddressCarretera Dolores Hidalgo-San Miguel de Allende, La Palma, San Miguel de Allende, Guanajuato, 37890, México