How to get from Groslay to Saclay by RER, bus and train?

Groslay to Saclay - Train Schedule

The H train from Groslay to Saclay runs from 05:50 to 22:50, with departures every 1 hr-5 hr. The trip takes about 1 hr 34 min, with regular service throughout the operating hours.

From Groslay to Saclay by RER, bus and train

To get from Groslay to Saclay in Paris, you’ll need to take one train line, one RER line and one bus line: 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 5154 bus from Gare de Massy - Palaiseau station to Christ de Saclay station. The total trip duration for this route is approximately 1 hr 34 min. The RER, bus and train schedule from Groslay may change. We recommend you check the updated RER, bus and train schedule to Saclay on the Moovit app.

94min
Train - H
Train - H
RER - B
RER - B
Bus - 51545154
Walk to Saclay
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
    16 min
  • 4
    RER - B
    Wait for RER
    B
    Saint-Rémy-Lès-Chevreuse
  • 5
    Ride to RER station
    Ride to RER station
    Massy - Palaiseau
    28 min
  • 6
    Walk to bus station
    Walk to bus station
    Gare de Massy - Palaiseau
    220 m • 3 min
  • 7
    Bus - 51545154
    Wait for bus
    5154
    Saint-Quentin - Gare Routière Des Prés
  • 8
    Ride to bus station
    Ride to bus station
    Christ de Saclay
    27 min
  • 9
    Walk to Saclay
    Walk to
    Saclay
    150 m • 2 min
*Duration based on 8am traffic
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Public transit directions from Groslay to Saclay

The distance between Groslay, Paris and Saclay, Paris is approximately 47.28 km, which can typically be travelled in 94 min. Moovit will show you the directions from Groslay to Saclay by RER, bus and train, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER, Bus And Train schedule from Groslay to Saclay

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

Related Routes

Questions & Answers

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

    The fastest way takes 94 minutes, using Train line H, RER line B, Bus line 5154.

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

    No, you’ll have to take one train line, one RER line and one bus line in total. The total travelling time is 1 hr 34 min.

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

    The H train line goes from Gare du Nord station near Groslay to Massy - Palaiseau station. From there you’ll have to take one RER line and one bus line till Massy - Palaiseau station near Saclay in Paris.

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

    The total travel time between Groslay and Saclay in Paris by train, RER and bus is about 1 hr 34 min.

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

    Get off the train at the Massy - Palaiseau stop, which is closest to Saclay in Paris.

Popular Routes