How to get from Trois Marches to Chatou by RER, bus and train?

Trois Marches to Chatou - Bus Schedule

The 7818 bus from Trois Marches to Chatou runs from 06:28 to 22:25, with departures every 25 min-1 hr 5 min. The trip takes about 1 hr 25 min, with regular service throughout the operating hours.

From Trois Marches to Chatou by RER, bus and train

To get from Trois Marches to Chatou you’ll need to take one bus line, one train line and one RER line: take the 7818 bus from Trois Marches station to Saint-Quentin - Gare Routière Paul Delouvrier station. Next, you’ll have to switch to the U train and finally take the A RER from La Défense (Grande Arche) station to Chatou - Croissy station. The total trip duration for this route is approximately 1 hr 25 min. The RER, bus and train schedule from Trois Marches may change. We recommend you check the updated RER, bus and train schedule to Chatou on the Moovit app.

85min
Walk to bus station
Bus - 78187818
Train - U
Train - U
RER - A
RER - A
Walk to Chatou
Leaves from Trois Marches

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Trois Marches
    10 m • 1 min
  • 2
    Bus - 78187818
    Wait for bus
    7818
    Saint-Quentin - Gare Routière Paul Delouvrier
  • 3
    Ride to bus station
    Ride to bus station
    Saint-Quentin - Gare Routière Paul Delouvrier
    17 min
  • 4
    Walk to train station
    Walk to train station
    Saint-Quentin En Yvelines - Montigny-Le-Bretonneux
    50 m • 1 min
  • 5
    Train - U
    Wait for train
    U
    La Défense
  • 6
    Ride to train station
    Ride to train station
    La Défense (Grande Arche)
    33 min
  • 7
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 8
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    12 min
  • 9
    Walk to Chatou
    Walk to
    Chatou
    610 m • 8 min
*Duration based on 8am traffic
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Public transit directions from Trois Marches to Chatou

The distance between Trois Marches and Chatou is approximately 41.75 km, which can typically be travelled in 85 min. Moovit will show you the directions from Trois Marches to Chatou by RER, bus and train, so no matter how you choose to travel in Chatou – you will always have plenty of easy options.

RER, Bus And Train schedule from Trois Marches to Chatou

To check the RER, bus and train schedule from Trois Marches to Chatou using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Trois Marches) and destination (Chatou), then select the desired date and time of travel. Moovit will show all available RER, bus and train routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each RER, bus and train, as well as real-time updates for delays or changes. Use this information to plan your trip and stay up to date with the latest RER, bus and train schedules.

Related Routes

Questions & Answers

  • What is the fastest way to get from Trois Marches to Chatou?

    The fastest way takes 85 minutes, using Bus line 7818, Train line U, RER line A.

  • Is there a direct bus between Trois Marches and Chatou?

    No, you’ll have to take one bus line, one train line and one RER line in total. The total travelling time is 1 hr 25 min.

  • Which bus line goes from Trois Marches to Chatou?

    The 7818 bus line goes from Trois Marches station near Trois Marches in Neauphle-Le-Château to Saint-Quentin - Gare Routière Paul Delouvrier station. From there you’ll have to take one train line and one RER line till Saint-Quentin - Gare Routière Paul Delouvrier station near Chatou.

  • How long does it take to travel from Trois Marches to Chatou by bus, train and RER?

    The total travel time between Trois Marches and Chatou by bus, train and RER is about 1 hr 25 min.

  • Where do I get on the bus near Trois Marches to get to Chatou?

    Get on the 7818 bus from the Trois Marches stop near Trois Marches in Neauphle-Le-Château.

  • Where do I get off the bus when travelling between Trois Marches and Chatou?

    Get off the bus at the Saint-Quentin - Gare Routière Paul Delouvrier station, which is closest to Chatou.

Popular Routes