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Tourism, holidays & weekends guide in the Yvelines

Located four kilometers from the tourist town of Poissy, Achères is located in the heart of Yvelines, in the Île-de-France region. It is located on the edge of the Val-d'Oise, on the banks of the Seine, not far from the town of Saint-Germain-en-Laye.

Inhabited since the Neolithic, the commune of Achères develops in the Middle Ages. The one that saw the birth of Saint Louis soon became royal residence in the seventeenth century, before seeing settlement in the nineteenth century spreading fields of sewage in the city of Paris. Achères is also known today to accommodate the largest sewage treatment plant in Europe, and the second in the world behind Chicago. This particular economic activity does not prevent the commune of Yvelines from presenting a charming architectural heritage, typical of this part of the Île-de-France.

Geographical information

Tourism label
Latitude48.9607960 (N 48° 57’ 39”)
Longitude2.0700219 (E 2° 4’ 12”)
AltitudeFrom 18m to 32m
Surface area9.44 km²
Population19643 inhabitants
Density2080 inhabitants/km²
PrefectureVersailles (30 km, 32 min)
Insee code78005
IntercommunalityCA Poissy-Acheres-Conflans Sainte Honorine

Nearest cities & towns

Poissy4.5 km (8 min)
Conflans-Sainte-Honorine6.4 km (9 min)
Carrières-sous-Poissy6.7 km (13 min)
Maisons-Laffitte8.2 km (12 min)
Neuville-sur-Oise8.4 km (11 min)
Andrésy8.4 km (13 min)
Villennes-sur-Seine8.6 km (16 min)
Maurecourt8.8 km (12 min)
Saint-Germain-en-Laye8.9 km (11 min)
Le Mesnil-le-Roi9.4 km (15 min)
Éragny9.6 km (12 min)
Aigremont9.6 km (18 min)
Sartrouville9.7 km (15 min)
Jouy-le-Moutier9.7 km (12 min)

Things to see and do

Built in the 12th century, the Saint-Martin church of Achères is one of the most beautiful monuments of the city. Its bell tower was completely renovated at the beginning of the 20th century.

The town is also home to some Roman ruins, the ruins of Garennes.

Of the crosses installed in the city by Father Duport to commemorate the frequent floods and the cholera epidemic of the second half of the 19th century, there remain only three: the cross of Achères, the cross of the Store and the cross of the Rue de Saint-Germain.

Walks on the banks of the Seine have also been arranged to enjoy the surrounding nature.

Places of interest

Performance halls

Events and festivities

The market is held on Wednesdays and Saturdays morning. The city also offers a Christmas market at the end of the year.

Ultrazic, the festival of overseas music, is organized in May.

Every year at Pentecost, the fair carnival settles in Achères.

In early October, the Celery Festival offers concerts and sports and cultural events.


Tuesday 17 october
Min. 11°C - Max. 21°C
Wednesday 18 october
Min. 13°C - Max. 19°C
Thursday 19 october
Min. 11°C - Max. 17°C

Visits, leisure and activities nearby

Leisure activities

Last nameActivity typeRateCity
E-Ticket – The Villa Savoye by Corbusier
Culture and education8 € Poissy (5.1 km)
Bargain-hunting at La Ressourcerie
EntertainmentFreeEcquevilly (10.1 km)
Commentated Segway Tour in the Palace of Versailles Park – Duration 2 hours
Culture and education55 € Versailles (17.3 km)
Commentated Segway Tour in the Palace of Versailles Park – Duration 1 hour
Culture and education35 € Versailles (17.3 km)
Horse-drawn Carriage Ride of Versailles
Entertainment23 € Versailles (18.2 km)


Last nameOuting typeDifficultyDurationDeparture municipality
Paris illuminations
Cycling itineraryEasy2h00Paris (24 km)


Bed & breakfasts

Vacation rentals



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