How to get from Grisy-Suisnes to Chatou by RER and bus?

From Grisy-Suisnes to Chatou by RER and bus

To get from Grisy-Suisnes to Chatou in Paris, you’ll need to take 2 bus lines and one RER line: take the 3121 bus from Maréchal Joffre station to Gare de Boissy-Saint-Léger station. Next, you’ll have to switch to the A RER and finally take the B bus from Gare de Rueil-Malmaison station to Renoir station. The total trip duration for this route is approximately 1 hr 52 min. The RER and bus schedule from Grisy-Suisnes may change. We recommend you check the updated RER and bus schedule to Chatou on the Moovit app.

112min
Walk to bus station
Bus - 31213121
RER - A
RER - A
Bus - BB
Leaves from Maréchal Joffre

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Maréchal Joffre
    40 m • 1 min
  • 2
    Bus - 31213121
    Wait for bus
    3121
    Gare de Boissy-Saint-Léger
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Boissy-Saint-Léger
    37 min
  • 4
    Walk to RER station
    Walk to RER station
    Boissy-Saint-Léger
    70 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 6
    Ride to RER station
    Ride to RER station
    Rueil-Malmaison
    50 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Rueil-Malmaison
    90 m • 2 min
  • 8
    Bus - BB
    Wait for bus
    B
    Gare de Sartrouville
  • 9
    Ride to bus station Renoir
    Ride to bus station
    Renoir
    12 min
*Duration based on 8am traffic

Alternative route from Grisy-Suisnes to Chatou by RER and bus via 3121, A and T

To get from Grisy-Suisnes to Chatou in Paris, you’ll need to take 2 bus lines and one RER line: take the 3121 bus from Maréchal Joffre station to Gare de Boissy-Saint-Léger station. Next, you’ll have to switch to the A RER and finally take the T bus from Gare de Chatou - Croissy station to Renoir station. The total trip duration for this route is approximately 120 min. The RER and bus schedule from Grisy-Suisnes may change. We recommend you check the updated RER and bus schedule to Chatou on the Moovit app.

120min
Walk to bus station
Bus - 31213121
RER - A
RER - A
Bus - TT
Leaves from Maréchal Joffre

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Maréchal Joffre
    40 m • 1 min
  • 2
    Bus - 31213121
    Wait for bus
    3121
    Gare de Boissy-Saint-Léger
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Boissy-Saint-Léger
    37 min
  • 4
    Walk to RER station
    Walk to RER station
    Boissy-Saint-Léger
    70 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 6
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    52 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Chatou - Croissy
    60 m • 1 min
  • 8
    Bus - TT
    Wait for bus
    T
    Place du Docteur Roux
  • 9
    Ride to bus station Renoir
    Ride to bus station
    Renoir
    16 min
*Duration based on 8am traffic
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Public transit directions from Grisy-Suisnes to Chatou

The distance between Grisy-Suisnes, Paris and Chatou, Paris is approximately 62.26 km, which can typically be travelled in 112 min. Moovit will show you the directions from Grisy-Suisnes to Chatou by RER and bus, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER And Bus schedule from Grisy-Suisnes to Chatou

To check the RER and bus schedule from Grisy-Suisnes to Chatou using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Grisy-Suisnes) and destination (Chatou), then select the desired date and time of travel. Moovit will show all available RER and bus routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each RER and bus, 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 and bus schedules.

Related Routes

Alternative route from Grisy-Suisnes to Chatou by RER and bus via 3121, A and T

To get from Grisy-Suisnes to Chatou in Paris, you’ll need to take 2 bus lines and one RER line: take the 3121 bus from Maréchal Joffre station to Gare de Boissy-Saint-Léger station. Next, you’ll have to switch to the A RER and finally take the T bus from Gare de Chatou - Croissy station to Renoir station. The total trip duration for this route is approximately 120 min. The RER and bus schedule from Grisy-Suisnes may change. We recommend you check the updated RER and bus schedule to Chatou on the Moovit app.

120min
Walk to bus station
Bus - 31213121
RER - A
RER - A
Bus - TT
Leaves from Maréchal Joffre

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Maréchal Joffre
    40 m • 1 min
  • 2
    Bus - 31213121
    Wait for bus
    3121
    Gare de Boissy-Saint-Léger
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Boissy-Saint-Léger
    37 min
  • 4
    Walk to RER station
    Walk to RER station
    Boissy-Saint-Léger
    70 m • 1 min
  • 5
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 6
    Ride to RER station
    Ride to RER station
    Chatou - Croissy
    52 min
  • 7
    Walk to bus station
    Walk to bus station
    Gare de Chatou - Croissy
    60 m • 1 min
  • 8
    Bus - TT
    Wait for bus
    T
    Place du Docteur Roux
  • 9
    Ride to bus station Renoir
    Ride to bus station
    Renoir
    16 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Grisy-Suisnes to Chatou?

    The fastest way takes 112 minutes, using Bus line 3121, RER line A, Bus line B.

  • What is the alternative route to get from Grisy-Suisnes to Chatou?

    The alternative route takes 120 minutes, using Bus line 3121, RER line A, Bus line T.

  • Is there a direct bus between Grisy-Suisnes and Chatou in Paris?

    No, you’ll have to take 2 bus lines and one RER line in total. The total travelling time is 1 hr 52 min.

  • Which bus line goes from Grisy-Suisnes to Chatou in Paris?

    The 3121 bus line goes from Maréchal Joffre station near Grisy-Suisnes to Gare de Boissy-Saint-Léger station. From there you’ll have to take one bus line and one RER line till Gare de Boissy-Saint-Léger station near Chatou in Paris.

  • How long does it take to travel from Grisy-Suisnes to Chatou in Paris by bus and RER?

    The total travel time between Grisy-Suisnes and Chatou in Paris by bus and RER is about 1 hr 52 min.

  • Where do I get on the bus near Grisy-Suisnes to get to Chatou in Paris?

    Get on the 3121 bus from the Maréchal Joffre stop near Grisy-Suisnes in Paris.

  • Where do I get off the bus when travelling between Grisy-Suisnes and Chatou in Paris?

    Get off the bus at the Gare de Boissy-Saint-Léger stop, which is closest to Chatou in Paris.

Popular Routes