Cheshmeh Ali Springs
- Location
- Rey, Tehran Province, Iran
- Water type
- bicarbonate
- Temperature
- 38 °C
- pH
- 8
Water profile
Soothing — neither hot nor cold, perfect balance.
Loaded with major ions — the essential minerals (Ca, Mg).
Soft water — natural, classic buoyancy.
Cheshmeh Ali Springs in the ancient city of Rey, now incorporated into the southern suburbs of Tehran, are among the oldest recorded mineral springs in the world — the site has been occupied continuously since the Neolithic period, and the spring's therapeutic bicarbonate waters are mentioned in texts from the Achaemenid Persian empire. The spring itself flows with moderate warmth from limestone fissures in the Rey hills, and a traditional bathhouse established here centuries ago was used by generations of Tehranis for therapeutic and ritual bathing. The city of Rey, ancient Raga of the Avesta, was one of the great cities of the ancient world — rivalling Babylon and Ecbatana — and its archaeological layers span 8,000 years of human civilisation. Today the spring park and its historic bathhouse provide a quiet counterpoint to the vast modern metropolis of Tehran that surrounds them, a pocket of ancient thermal tradition within one of the world's largest cities.