How to get from Groslay to Montesson by RER and train?

From Groslay to Montesson by RER and train

To get from Groslay to Montesson in Paris, you’ll need to take one train line and 2 RER lines: take the H train from Gare de Groslay station to Gare du Nord station. Next, you’ll have to switch to the B RER and finally take the A RER from Châtelet - Les Halles station to Le Vésinet - Le Pecq station. The total trip duration for this route is approximately 1 hr 4 min. The RER and train schedule from Groslay may change. We recommend you check the updated RER and train schedule to Montesson on the Moovit app.

64min
Train - H
Train - H
RER - B
RER - B
RER - A
RER - A
Walk to Montesson
Leaves from Gare de Groslay

Step by Step

  • 1
    Start from train station
    Start from train station
    Groslay
  • 2
    Train - H
    Wait for train
    H
    Gare du Nord
  • 3
    Ride to train station
    Ride to train station
    Gare du Nord
    17 min
  • 4
    RER - B
    Wait for RER
    B
    Massy - Palaiseau
  • 5
    Ride to RER station
    Ride to RER station
    Châtelet - Les Halles
    3 min
  • 6
    RER - A
    Wait for RER
    A
    Saint-Germain-En-Laye
  • 7
    Ride to RER station
    Ride to RER station
    Le Vésinet - Le Pecq
    27 min
  • 8
    Walk to Montesson
    Walk to
    Montesson
    840 m • 11 min
*Duration based on 8am traffic
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Public transit directions from Groslay to Montesson

The distance between Groslay, Paris and Montesson, Paris is approximately 35.18 km, which can typically be travelled in 64 min. Moovit will show you the directions from Groslay to Montesson by RER and train, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER And Train schedule from Groslay to Montesson

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

Related Routes

Questions & Answers

  • What is the fastest way to get from Groslay to Montesson?

    The fastest way takes 64 minutes, using Train line H, RER line B, RER line A.

  • Is there a direct train between Groslay and Montesson in Paris?

    No, you’ll have to take one train line and 2 RER lines in total. The total travelling time is 1 hr 4 min.

  • Which train line goes from Groslay to Montesson in Paris?

    The H train line goes from Gare du Nord station near Groslay to Châtelet - Les Halles station. From there you’ll have to take 2 RER lines till Châtelet - Les Halles station near Montesson in Paris.

  • How long does it take to travel from Groslay to Montesson in Paris by train and RER?

    The total travel time between Groslay and Montesson in Paris by train and RER is about 1 hr 4 min.

  • Where do I get on the train near Groslay to get to Montesson in Paris?

    Get on the H train from the Gare du Nord station near Groslay in Paris.

  • Where do I get off the train when travelling between Groslay and Montesson in Paris?

    Get off the train at the Châtelet - Les Halles station, which is closest to Montesson in Paris.

Popular Routes