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

Montesson to Fosses - RER Schedule

The A RER from Montesson to Fosses runs from 00:58 to 00:45, with departures every 5 min-4 hr 15 min. The trip takes about 2 hr 6 min, with regular service throughout the operating hours.

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 1601 bus from Gare de Roissypôle - Aéroport 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 - 16011601
Walk to Fosses
Leaves from Le Vésinet - Le Pecq

Step by Step

  • 1
    Walk to RER station
    Walk to RER station
    Le Vésinet - Le Pecq
    840 m • 11 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
    120 m • 2 min
  • 7
    Bus - 16011601
    Wait for bus
    1601
    Gare de Survilliers - Fosses
  • 8
    Ride to bus station
    Ride to bus station
    Gare de Survilliers - Fosses
    37 min
  • 9
    Walk to Fosses
    Walk to
    Fosses
    30 m • 1 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 73.39 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

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 1601.

  • 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 Châtelet - Les Halles station. From there you’ll have to take one RER line and one bus line till Châtelet - Les Halles 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 Châtelet - Les Halles stop, which is closest to Fosses in Paris.

Popular Routes