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Septeuil has been known in Mithriacism since 1984, when a sanctuary dedicated to Mithras was discovered in the 4th century. It was located in a spring sanctuary (nymphaeum) of the 1st century.

Mithraic monuments of Septeuil


Mithréum de Septeuil

The Mithraeum of Septeuil, Yvelines, was accommodated at the 4th century in an oldest sanctuary of the source.


Mithras rock-born of Septeuil

A serpent emerging from a umbilicus at the side of the stele coils over Mithras naked body.