It was probably between 1504 and 1569 that the Jewish ritual bath of the Cheylus Hotel was built. This private ritual bath, also called Mikvé, was the only one known in the department until 2016 where was discovered during works a second private Jewish ritual bath on the current square of Juiverie! In the Jewish religion, its waters have a power of purification. For this, the construction and water of the Mikvé must meet very specific criteria.