Conflans-Sainte-Honorine is a commune in the Yvelines department in the Île-de-France region in north-central France. It is located in the north-western suburbs of Paris, 24.2 km (15.0 mi) from the center of Paris.

The historic center of Conflans-Sainte-Honorine

Coat of arms
Location (in red) within Paris inner and outer suburbs
Location of Conflans-Sainte-Honorine
Location (in red) within Paris inner and outer suburbs
Conflans-Sainte-Honorine (Île-de-France (region))
Coordinates: 48°59′57″N 2°05′54″E
IntercommunalityCU Grand Paris Seine et Oise
  Mayor (20142020) Laurent Brosse
9.9 km2 (3.8 sq mi)
  Density3,600/km2 (9,400/sq mi)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
78172 /78700
Elevation17–60 m (56–197 ft)
(avg. 25 m or 82 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

The commune was originally named for its geographic position at the confluence of the Seine and Oise rivers. The village was given the addition "Sainte Honorine" in the 13th century after the female Saint Honorina, whose relics had been stored there since 876.

Partly on account of its strategic position, Conflans-Sainte-Honorine is considered the capital of the French inland waterways, and the right bank of the River Seine is still lined with barges (although these are now used mainly as houseboats). Every year in June, the town celebrates the "Pardon national de la batellerie" in remembrance of its former importance to inland shipping.


Conflans-Sainte-Honorine is served by Conflans-Sainte-Honorine station on the Transilien Paris – Saint-Lazare regional rail line.

It is also served by Conflans Fin d'Oise station which is an interchange station on Paris RER line A and on the Transilien Paris Saint-Lazare suburban rail line.


As of 2016 the city's schools have 4,258 students. There are nine public preschools, seven public elementary schools, one private school, and an école régionale du premier degré (ERPD).[2]

Elementary schools:

  • École élémentaire Chennevières
  • École élémentaire Clos-d’en-Haut
  • École élémentaire Côtes-Reverses
  • École élémentaire Gaston-Rousset
  • École élémentaire Grandes-Terres
  • École élémentaire Henri-Dunant
  • École élémentaire Paul-Bert

The médiathèque Blaise-Cendrars has digital documents and multimedia services.[3]

Parks and recreation

Centre aquatique de Conflans has the town's pool.[4]


  • Samuel Coco-Viloin, athlete
  • Michel Rocard, former French prime minister (1988-1991), Socialist party, former mayor of Conflans (1977-1994)
  • Jean-Paul Huchon, president of the regional council for Île-de-France,Socialist party, former mayor of Conflans (1994-2001)
  • Nicolas Roche, Irish professional cyclist, was born here in 1984
  • Charb, French satirical caricaturist and journalist was born in Conflans.
  • Nicolas Szerszen, volleyball player at Ohio State University. AVCA national Player of the Year (2016). NCAA tournament Most Outstanding Player (2017).

Twin towns - sister cities

Conflans-Sainte-Honorine is twinned with:[5]

See also


  1. "Populations légales 2016". INSEE. Retrieved 25 April 2019.
  2. "Écoles." Conflans-Sainte-Honorine. Retrieved on September 2, 2016.
  3. "Médiathèque Blaise-Cendrars." Conflans-Sainte-Honorine. Retrieved on September 2, 2016.
  4. "Centre aquatique." Conflans-Sainte-Honorine. Retrieved on September 2, 2016.
  5. "Jumelage et coopération". (in French). Conflans-Sainte-Honorine. Retrieved 2019-11-20.
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