Situated at the confluence of the Seine and Oise 25 km from Paris. Conflans-Sainte-Honorine is the capital of inland water navigation for 160 years.
Conflans was inhabited since Neolithic times. In the 870s, some monks from Normandy arrive to deposit the relics of Sainte Honorine in the village that was before protected by a wooden castle.
It is in 1080 that the priory of the city founded by the monks from Normandy to preserve the relics of Sainte Honorine and later became a place of pilgrimage for over seven centuries.
Conflans in 1855 welcomes the installation of the head downstream of the towing chain that facilitates the rise of barges on the Seine to Paris to supply the capital in an urban development. This year marks the growth of inland water transport in Conflans.
1877 is the year of the opening of the station Fin-d'Oise allowing the Parisian come to visit the city, it was not until 1892 with the onset of Argenteuil-Mantes line to facilitate trade and construction new buildings.
The industry is growing gradually in Conflans from 1920 with the manufacture of telegraph and telephone cables. The disappearance of the factory responsible for manufacturing the cables in 1985 enables the development of diversified activities.
