How to get from Montesson to Fosses by RER and bus?

From Montesson to Fosses by RER and bus

To get from Montesson to Fosses in Paris, you’ll need to take 2 RER lines and one bus line: take the A RER from Le Vésinet - Le Pecq station to Châtelet Les Halles station. Next, you’ll have to switch to the B RER and finally take the 9501 bus from Gare de Roissypôle - Aéroport Cdg 1 (Terminal 3) (D4) station to Gare de Survilliers Fosses station. The total trip duration for this route is approximately 2 hr 6 min. The RER and bus schedule from Montesson may change. We recommend you check the updated RER and bus schedule to Fosses on the Moovit app.

126min
Walk to RER stationRER - A
RER - A
RER - B
RER - B
Bus - 95019501
Leaves from Le Vésinet - Le Pecq

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Le Vésinet - Le Pecq
    960 m • 13 min
  • 2
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    26 min
  • 4
    RER - B
    Wait for RER
    B
    Aéroport Charles de Gaulle 2 (Terminal 2)
  • 5
    Ride to RER station
    Ride to RER station
    Aéroport Cdg 1 (Terminal 3)
    31 min
  • 6
    Walk to bus station
    Walk to bus station
    Gare de Roissypôle - Aéroport Cdg 1 (Terminal 3) (D4)
    240 m • 4 min
  • 7
    Bus - 95019501
    Wait for bus
    9501
    Survilliers - Fosses
  • 8
    Ride to bus station Gare de Survilliers Fosses
    Ride to bus station
    Gare de Survilliers Fosses
    37 min
*Duration based on 8am traffic

Alternative route from Montesson to Fosses by RER and bus via A, D and D

To get from Montesson to Fosses in Paris, you’ll need to take 2 RER lines and one bus line: take the A RER from Le Vésinet - Le Pecq station to Châtelet Les Halles station. Next, you’ll have to switch to the D RER and finally take the D bus from Stade de France Saint-Denis station to Gare de Survilliers Fosses station. The total trip duration for this route is approximately 2 hr 9 min. The RER and bus schedule from Montesson may change. We recommend you check the updated RER and bus schedule to Fosses on the Moovit app.

129min
Walk to RER stationRER - A
RER - A
RER - D
RER - D
Bus - DD
Leaves from Le Vésinet - Le Pecq

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Le Vésinet - Le Pecq
    960 m • 13 min
  • 2
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    26 min
  • 4
    RER - D
    Wait for RER
    D
    Stade de France Saint-Denis
  • 5
    Ride to RER station
    Ride to RER station
    Stade de France Saint-Denis
    15 min
  • 6
    Walk to bus station
    Walk to bus station
    Stade de France Saint-Denis
    190 m • 3 min
  • 7
    Bus - DD
    Wait for bus
    D
    Gare D'Orry-La-Ville - Coye
  • 8
    Ride to bus station Gare de Survilliers Fosses
    Ride to bus station
    Gare de Survilliers Fosses
    60 min
*Duration based on 8am traffic
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Public transit directions from Montesson to Fosses

The distance between Montesson, Paris and Fosses, Paris is approximately 73.47 km, which can typically be travelled in 126 min. Moovit will show you the directions from Montesson to Fosses 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 Montesson to Fosses

To check the RER and bus schedule from Montesson to Fosses using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Montesson) and destination (Fosses), 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 Montesson to Fosses by RER and bus via A, D and D

To get from Montesson to Fosses in Paris, you’ll need to take 2 RER lines and one bus line: take the A RER from Le Vésinet - Le Pecq station to Châtelet Les Halles station. Next, you’ll have to switch to the D RER and finally take the D bus from Stade de France Saint-Denis station to Gare de Survilliers Fosses station. The total trip duration for this route is approximately 2 hr 9 min. The RER and bus schedule from Montesson may change. We recommend you check the updated RER and bus schedule to Fosses on the Moovit app.

129min
Walk to RER stationRER - A
RER - A
RER - D
RER - D
Bus - DD
Leaves from Le Vésinet - Le Pecq

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Le Vésinet - Le Pecq
    960 m • 13 min
  • 2
    RER - A
    Wait for RER
    A
    Boissy-Saint-Léger
  • 3
    Ride to RER station
    Ride to RER station
    Châtelet Les Halles
    26 min
  • 4
    RER - D
    Wait for RER
    D
    Stade de France Saint-Denis
  • 5
    Ride to RER station
    Ride to RER station
    Stade de France Saint-Denis
    15 min
  • 6
    Walk to bus station
    Walk to bus station
    Stade de France Saint-Denis
    190 m • 3 min
  • 7
    Bus - DD
    Wait for bus
    D
    Gare D'Orry-La-Ville - Coye
  • 8
    Ride to bus station Gare de Survilliers Fosses
    Ride to bus station
    Gare de Survilliers Fosses
    60 min
*Duration based on 8am traffic

Questions & Answers

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

    The fastest way takes 126 minutes, using RER line A, RER line B, Bus line 9501.

  • What is the alternative route to get from Montesson to Fosses?

    The alternative route takes 129 minutes, using RER line A, RER line D, Bus line D.

  • Is there a direct RER between Montesson and Fosses in Paris?

    No, you’ll have to take 2 RER lines and one bus line in total. The total travelling time is 2 hr 6 min.

  • Which RER line goes from Montesson to Fosses in Paris?

    The A RER line goes from Le Vésinet - Le Pecq station near Montesson to Boissy-Saint-Léger station. From there you’ll have to take one RER line and one bus line till Boissy-Saint-Léger station near Fosses in Paris.

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

    The total travel time between Montesson and Fosses in Paris by RER and bus is about 2 hr 6 min.

  • Where do I get on the RER near Montesson to get to Fosses in Paris?

    Get on the A RER from the Le Vésinet - Le Pecq station near Montesson in Paris.

  • Where do I get off the RER when travelling between Montesson and Fosses in Paris?

    Get off the RER at the Boissy-Saint-Léger stop, which is closest to Fosses in Paris.

Popular Routes