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Bicycle Rides recommended route Bicycle Rides  · Yvelines

Discovery route in Marly forest

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OTI Saint Germain Boucles de Seine Verified partner 
  • Trail in the Marly Forest
    Trail in the Marly Forest
    Photo: OTI SGBS 2017

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    Enjoy the 9 cycling routes in the forests of Saint-Germain and Marly, designed by the National Forests Office and the Saint Germain Boucles de Seine Agglomeration Community.

    difficult
    Distance 10.3 km
    0:50 h
    135 m
    128 m
    181 m
    104 m

    A way to (re)discover at your own pace these incredible natural spaces on the doorstep of cities.

    This action follows the consultation conducted within the framework of the General States of the forests of Saint-Germain and Marly launched in 2017 to promote better shared maintenance of these forests. The Saint Germain Boucles de Seine Agglomeration Community and the ONF wished to develop a network of soft paths.

    Nine cycling routes representing 71 kilometers have thus been set up to cross and discover the forest massifs of Saint-Germain and Marly: the circuits designed for everyone make cycling in the forest easier.

    These routes offer you:

    • Loops
    • Forest crossings to get from town to town
    • A passage through the Paris-London route
    • Circuits for families
    • A more sporty circuit
    • A circuit that connects 3 stations…

    Author’s recommendation

    This discovery trail offers the opportunity to ride hilly paths appreciated by experienced cyclists. It will give you some thrills if you have enough energy to pedal!

    Difficulty
    difficult
    Overall difficulty
    difficult

    Derived from the technical difficulty and the stamina requirements.

    Experience
    Landscape
    Highest point
    181 m
    Lowest point
    104 m
    Best time of year
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec

    Track types

    Asphalt 8.06%Dirt road 19.43%Forested/wild trail 12.60%Path 53.72%Road 6.16%
    Asphalt
    831 m
    Dirt road
    2 km
    Forested/wild trail
    1.3 km
    Path
    5.5 km
    Road
    636 m
    Show elevation profile

    Safety information

    Experienced or occasional walkers, let us be vigilant and respectful of the natural environment:

    • Respect the signage;
    • Stay on marked paths or trails;
    • Take your rubbish with you;
    • Leave dead wood on the ground;
    • Do not light fires or barbecues;
    • Do not camp in the forest or on reception areas;
    • Moderate your picking of flowers and mushrooms;
    • Share the space and respect the quiet of the place;
    • Keep your pets under control.

    Roadbook

    Starting from Etoile de Montaigu, accessible via the route des Princesses, after the Agrocampus of Saint-Germain/Chambourcy, go straight ahead. Then turn left onto route des Buttes.

    You arrive at Etoile du Loup, take a left then a right at the next path. Cross the Parcellaire road and immediately take a left. You reach the D98. Cross straight ahead onto rue de Neauphle. At the next junction, take a right onto route de la Claire Forêt.

    Turn left at the first path. You arrive near Saint-Nom station, follow it to pick up route des Muses. Then turn right just before the end of the road that continues onto route Royale to reach Croix Saint-Michel. Retrace your steps and join route Royale.

    Cross the D98 and take the first path on your right.

    Continue straight, cross route Dauphine and take the next path on the left.

    Observe the hunting table before continuing your path.

    Continue on the same path and turn left just before the end to join route Dauphine. After passing 3 paths on your right, route Dauphine splits and bends to the right. Take this bend to reach the entrance of Désert de Retz. This site is open every Saturday from April to October, don't miss visiting it.

    To return to the starting point, you can take a right after the bend along the road bordering the forest limits. After about 2.4 km, take a right onto the path that brings you back to Etoile de Montaigu and route des Princesses.

    We hope you enjoyed this loop, do not hesitate to come back to Saint Germain Boucles de Seine to explore other corners of our territory!

    Public transport

    Public-transport-friendly

    You can access this path at Saint-Nom-la-Bretèche station and make a loop.

    • From Paris:

    Transilien L: Saint-Lazare Station > Saint-Nom-la-Bretèche/Marly Forest Station

    • From Versailles:

    Transilien L: Versailles Chantiers > Saint-Cyr-l'Ecole + Tram 13 (towards Saint-Germain): Stop at Saint-Nom-la-Bretèche/Marly Forest Station

    Directions

    Take the A14 towards Rouen/Cergy-Pontoise. Take exit 6.a towards N13/Saint-Germain-en-Laye/Chambourcy.

    Join the N13/ Président Roosevelt street. Then turn right onto route des Princesses.

    Parking

    Parking is possible at the Etoile de Montaigu (route des Princesses)

    Or

    At Saint-Nom-la-Bretèche station

    Or also

    At the Désert de Retz.

    Coordinates

    DD
    48.893345, 2.046758
    DMS
    48°53'36.0"N 2°02'48.3"E
    UTM
    31U 430129 5416037
    w3w 
    ///vets.quibble.ventures
    Get there by train, car, bike, or on foot!

    Book recommendation by the author

    https://www.calameo.com/read/005652686c966a4d3ff4c


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    Difficulty
    difficult
    Overall difficulty
    difficult

    Derived from the technical difficulty and the stamina requirements.

    Distance
    10.3 km
    Duration
    0:50 h
    Ascent
    135 m
    Descent
    128 m
    Highest point
    181 m
    Lowest point
    104 m
    Public-transport-friendly Linear route Multi-stage route Scenic Cultural/historical interest Flora Dog-friendly

    Weather at the starting point

    10-day forecast

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