4.5
(81)
3,176
riders
54
rides
No traffic road cycling routes around Grosrouvre are set within the Yvelines department of France, characterized by a varied topography of open agricultural plateaus, dense wooded areas, and gently undulating terrain. The region is part of the Rambouillet Forest and the Haute Vallée de Chevreuse Regional Natural Park, offering a mix of forest edges, cultivated fields, and valleys. This landscape provides diverse cycling experiences, from more relaxed routes through scenic countryside to paths with challenging climbs.
Last updated: July 5, 2026
81
riders
124km
05:38
980m
980m
Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
19
riders
113km
04:50
600m
600m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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15
riders
98.6km
04:41
920m
920m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4.0
(1)
25
riders
34.9km
01:26
150m
150m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
13
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Grosrouvre
Superb view
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No water in the pond when I was there but a beautiful meadow
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Beautiful castle with a beautiful forest nearby 😉
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Dedicated to Saint Blaise, the church of Havelu is oriented and comprises a single nave. Its construction dates back to the 16th century. The choir, older and narrower than the nave, ends in a three-sided chevet. Constructed of flint blocks, the building is erected on a sandstone base. Two-stepped buttresses rise to the cornice. The western door appears to date from the 19th century, based on a Gothic-inspired model. It consists of a pointed arch with two tori exposed by wide grooves resting on prismatic bases. A lowered arch supports the blind tympanum. A shell is carved on the lintel of the south door, now walled up. A pointed octagonal spire rises from the bell tower. The roof is slate. Inside, the roof structure is exposed and retains the original stencilled decoration on the shingles. The name of the clergyman who commissioned it can still be seen: "M[ai]stre Jehan Menere p[re]b[t]re chaplain of this place." The furnishings of Havelu church are remarkable for their uniform 18th-century decoration. A partition altarpiece is located in the choir. Signed and dated by the artist, Pierre Pilastre (1753), it features, in the center, a painting of the Resurrection, inserted between two fluted pilasters flanked by scrolls with floral and fruit motifs and topped with fire pots. At the ends, each of the two doors is surmounted by a painting, one depicting Saint Blaise, the other Saint Barbara. At the choir entrance, the triumphal arch—by the same craftsman—also survives. A work bench, a confessional, and a lectern from the same period complete this decorative ensemble. In 1998, the Sauvegarde de l'Art Français (French Art Protection Association) granted a donation of 60,000 francs to strengthen the bell tower's framework.
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Built at the end of the 12th century by the Counts of Montfort and listed as a Historic Monument since 1889, the Houdan Tower was used to watch for enemies and defend the territory. The Keep consists of a 15 m diameter and 21 m high tower, flanked by four turrets of the same height located at the four cardinal points. From the 16th century until the French Revolution, the Keep served as a prison, and executions took place at the foot of the Tower. The first water reservoir was installed in the tower in 1880. The second, built in 1952, is still visible. Tours are available on certain days.
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There are over 50 dedicated no traffic road cycling routes around Grosrouvre, offering a wide variety of experiences. Most of these routes are rated as moderate, with a good selection of easy options and a few more challenging rides for experienced cyclists.
The region around Grosrouvre is often called 'little Switzerland' due to its fragmented and hilly terrain. You can expect a dynamic mix of open agricultural plateaus, dense wooded areas within the Rambouillet Forest, and gently undulating valleys. This varied topography provides both challenging climbs and relaxed sections through scenic countryside.
The no traffic road cycling routes in Grosrouvre are highly rated by the komoot community, with an average score of 4.4 stars. Reviewers often praise the quiet, well-maintained roads, the beautiful forest sections, and the charming villages encountered along the way, making for a truly immersive cycling experience.
Yes, there are several easy, traffic-free road cycling routes suitable for families. For example, the Carrefour de Bourdonné – Charming village Gambaiseul loop from Grosrouvre is an easy 15.8 km route that offers a pleasant ride through the local landscape without significant climbs, perfect for a relaxed family outing.
Many of the no traffic road cycling routes around Grosrouvre are designed as loops, allowing you to start and finish at the same point. An example is the Hollande Pond – Vilpert Ponds loop from Montfort-l'Amaury, an easy 34.9 km route that takes you past picturesque ponds and through tranquil forest sections.
The routes often traverse the vast Rambouillet Forest and the Haute Vallée de Chevreuse Regional Natural Park. You can encounter serene bodies of water like Rompu Pond or Étang de Hollande. The region's 'green corridors' and wooded hills provide a constantly changing natural backdrop.
Yes, the region blends natural beauty with cultural exploration. Some routes pass near historical sites or charming villages. For instance, the Behoust Castle – Virages des flambertins loop from Garancières - La Queue, a moderate 79.1 km route, takes you past Behoust Castle, offering a glimpse into the area's heritage.
The diverse terrain and natural beauty of Grosrouvre make it enjoyable for cycling throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, with changing foliage in the forests. Summer is also excellent, especially for rides through the shaded forest sections. Winter can be beautiful, but check local conditions for ice or snow.
Yes, many of the routes start from villages or towns that offer public parking facilities. Given the region's popularity for outdoor activities, you'll often find designated parking areas, especially near trailheads or points of interest within the Rambouillet Forest or the Haute Vallée de Chevreuse Regional Natural Park.
While Grosrouvre itself is a smaller commune, the wider Yvelines department and the Haute Vallée de Chevreuse Regional Natural Park are accessible by public transport from Paris, primarily via regional train lines (Transilien). From larger towns with train stations, you can often cycle to the starting points of many routes. It's advisable to check specific train lines and their bicycle policies.
The Haute Vallée de Chevreuse Regional Natural Park, which Grosrouvre is part of, is characterized by its preserved nature and a network of roads and paths that 'roll with the landscape.' The park actively promotes cycling with routes harmoniously integrated into the natural environment, often leading to idyllic villages and away from heavy traffic. You can learn more about the park at visitparisregion.com.


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