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

From Grisy-Suisnes to Montesson by RER and bus

To get from Grisy-Suisnes to Montesson in Paris, take the 3121 bus from Maréchal Joffre station to Gare de Boissy-Saint-Léger station. Next, take the A RER from Boissy-Saint-Léger station to Le Vésinet - Le Pecq station. The total trip duration for this route is approximately 1 hr 53 min. The RER and bus schedule from Grisy-Suisnes may change. We recommend you check the updated RER and bus schedule to Montesson on the Moovit app.

113min
Walk to bus station
Bus - 31213121
RER - A
RER - A
Walk to Montesson
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
    Le Vésinet - Le Pecq
    57 min
  • 7
    Walk to Montesson
    Walk to
    Montesson
    960 m • 13 min
*Duration based on 8am traffic
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Public transit directions from Grisy-Suisnes to Montesson

The distance between Grisy-Suisnes, Paris and Montesson, Paris is approximately 64.17 km, which can typically be travelled in 113 min. Moovit will show you the directions from Grisy-Suisnes to Montesson 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 Montesson

To check the RER and bus schedule from Grisy-Suisnes to Montesson using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Grisy-Suisnes) and destination (Montesson), 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

Questions & Answers

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

    The fastest way takes 113 minutes, using Bus line 3121, RER line A.

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

    No, you’ll have to take one bus line and one RER line in total. The total travelling time is 1 hr 53 min.

  • Which bus line goes from Grisy-Suisnes to Montesson 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 RER line till Gare de Boissy-Saint-Léger station near Montesson in Paris.

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

    The total travel time between Grisy-Suisnes and Montesson in Paris by bus and RER is about 1 hr 53 min.

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

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

Popular Routes