4.4
(148)
675
riders
98
rides
Gravel biking around Les Ulis features a landscape characterized by rolling terrain, river valleys, and a network of greenways. The region offers a mix of natural paths and converted railway lines, often incorporating features like viaducts and tunnels. Elevations are generally moderate, with routes typically gaining between 150 and 350 meters. The area includes extensive forest networks and charming villages, providing diverse terrain for gravel cycling.
Last updated: July 3, 2026
3.0
(2)
21
riders
47.8km
03:04
430m
430m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(10)
44
riders
27.6km
01:34
230m
230m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.

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4.6
(5)
17
riders
37.9km
02:14
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(6)
15
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
13
riders
30.3km
01:38
190m
190m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Beautiful castle in the village of Janvry
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Climb with a good difference in altitude
1
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An option if you don't want to go up the shorter but quite steep hill.
1
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a portion of the track has been closed since March 31, 2025 (for 1 month)
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Jacques Anquetil stele
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Stele dedicated to Master Jacques, Lord of Nations. Take a break and come and meditate, kneeling on the ground, before the one who was and remains an immense champion before the Eternal.
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There are over 140 gravel bike routes recorded in the Les Ulis region on komoot. These routes offer a diverse range of experiences, from easy paths to more challenging trails, catering to various skill levels.
Yes, Les Ulis offers several easy gravel bike trails perfect for beginners or those looking for a relaxed ride. Routes like the Lozère Lake – Bassin de Coupières loop from Lozère are generally flatter with moderate elevation gains, making them accessible for less experienced riders.
Gravel bike routes in Les Ulis typically range from around 18 to 28 miles (30 to 45 km) in distance. Durations vary depending on the route and rider's pace, but most can be completed within 2 to 4 hours. For example, the Montjay Tunnel – Fauvettes Viaduct loop from Orsay-Ville is about 18.6 miles (30 km) and takes around 1 hour 46 minutes.
Absolutely. While many routes are accessible, there are also more advanced gravel trails for experienced riders seeking a challenge. These routes often feature greater elevation gains and more technical sections. The region's diverse terrain ensures there's something for every skill level.
The best time for gravel biking in Les Ulis is generally from spring through autumn (April to October). During these months, the weather is typically mild and pleasant, and the trails are in good condition. While winter riding is possible, some paths might be muddy or require more robust gear.
Many of the gravel bike routes around Les Ulis are designed as loops, offering convenient circular journeys. This allows riders to start and finish at the same point without retracing their steps. An example is the Greenway of the Pays de Limours – Fauvettes Viaduct loop from La Hacquinière.
The gravel trails around Les Ulis often feature a mix of natural paths, greenways, and engineered structures. You can expect to encounter notable viaducts like the Fauvettes Viaduct and the Viaduc de la Prédécelle, as well as scenic paths along lakes and through countryside. The region is characterized by rolling terrain and river valleys.
The komoot community highly rates gravel biking in Les Ulis, with an average score of 4.4 stars from over 150 reviews. Riders often praise the varied terrain, the network of greenways, and the scenic paths that incorporate features like viaducts and tunnels, offering a unique blend of natural beauty and interesting structures.
Yes, the region around Les Ulis is home to several historical sites and castles. You might find yourself cycling near places like La Madeleine Castle or Méridon Castle, offering interesting points of interest to explore off the bike.
Several gravel routes pass by or near beautiful lakes and ponds, providing picturesque views and potential spots for a break. Notable examples include the Ponds of Parc des Côtes Montbron, Trévoix Pond, and Beauséjour Lake, which are popular highlights in the area.
Many starting points for gravel routes in the Les Ulis area are accessible via public transport, particularly train stations in nearby towns like Orsay-Ville. It's advisable to check local public transport schedules and bike carriage policies for specific routes before planning your trip.
Parking is generally available in the towns and villages that serve as starting points for many gravel routes, such as Orsay-Ville or Gometz-le-Châtel. Look for public parking areas or designated spots near trailheads. Always ensure you park responsibly and check for any local restrictions.


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