4.5
(268)
4,284
riders
63
rides
No traffic road cycling routes around Hermeray are situated within the Parc Naturel Régional de la Haute Vallée de Chevreuse, offering a diverse landscape for road cyclists. The region features verdant forests, deep valleys, and expansive fields, with elevations ranging from 63 to 199 meters. This varied terrain provides opportunities for both gentle rides and routes with more significant ascents and descents. The area is characterized by its natural features, including the Forêt de Rambouillet and numerous ponds.
Last updated: July 5, 2026
5.0
(3)
16
riders
58.0km
02:34
260m
260m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
11
riders
52.2km
02:36
320m
320m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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13
riders
8.33km
00:26
50m
50m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
5
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5
riders
104km
04:13
490m
490m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Hermeray
The church of Serazereux, of Romanesque origin, has a remarkable architecture with a single-nave nave, oriented towards the east and ending in a semi-circular apse, a square bell tower surmounted by an octagonal spire crowned with a cross and a rooster. Built between the 11th and 12th centuries, it has been dedicated to Saint Denis since 1028. In the middle of the 20th century, several events marked the building. First, a stele erected right next to the monument pays homage to the eight English airmen who died in 1944 while flying over the village. Then, in 1948, lightning struck the bell tower and caused a fire. The latter was replaced and rebuilt towards the front of the building.
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The Moulin de Mormoulins is a watermill located on the Eure River in the hamlet of Mormoulins. This mill dates back to the 18th and 19th centuries and is a listed historical monument. You can admire the old stone building, the wooden wheel, and the canal that diverts water from the river as you pass in front of the mill. The mill is surrounded by green fields and trees, creating a peaceful and relaxing atmosphere.
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According to tradition, the church choir covers the remains of an older building, possibly dating back to the 6th century, which was built to house the saint's body. According to current knowledge, the commune of Saint-Piat (Sanctus Piatus in Latin) officially appeared in 1087, mentioned in a charter of the Nottonville Priory (Eure-et-Loir), on which it depended. The current building was rebuilt during the time of Francis I, as suggested by the date 1535 engraved on two buttresses of the apse and the date 1542 engraved on a piece of wood from the vault. This is according to a study by the SAEL (Eure-et-Loir Archaeological Society). The three-sided apses, the dripstone towers (horizontal members projecting from a wall), and the sculpted roof structures are a testament to the importance of the reconstructions carried out in the department during the 16th century. The church of Saint-Piat is one of them. While the church has not been officially recognized, it nevertheless contains objects that have attracted attention both for their antiquity and quality, but not always for good reason. Their artistic value, far from attracting only religious or aesthetic interest, has also aroused a covetousness that, unfortunately, remains for some of them. Fortunately, those still in place are carefully cared for and offer the curious a story to discover, a beauty to slowly ponder as they progress toward the choir.
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Saint Mary Magdalene was the first to encounter the risen Christ, and she was the first to bear witness to him before the Apostles. A woman disciple of Jesus Christ. There were no half measures for Mary Magdalene, sister of Martha and Lazarus of Bethany. Her taste for luxury and the world, her unbridled libertinism, and her defiance of convention made her despised by good people. Radically transformed by Christ, her gratitude was inexhaustible: she had found the One her heart loved, and she would follow Him wherever He went. It was she who threw herself at the feet of her Lord and perfumed them with perfume before the stunned Pharisees. The first to thus foresee the Passion and death of Jesus, she would be the first to announce His Resurrection to the doubting apostles. Fiery-tempered, she lived her last thirty years alone in a cave, secluded in contemplation of Love. This church consists of a rectangular nave and a side bell tower with a slate spire, which was raised by a floor in the 19th century. It comprises a four-bay nave with two aisles extending into side chapels. The pentagonal choir has a cul-de-four vault supported by early Gothic ribs. It is lit by two Romanesque bays.
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It is best to take it in the direction of the ascent, from south to north.
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Many fishermen along this pond, the starting point of the Drouette. It's a must-see in the area :-)
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There are over 50 dedicated traffic-free road cycling routes around Hermeray, offering a wide range of options for different skill levels. You'll find 21 easy routes, 34 moderate routes, and 1 challenging route to explore the beautiful landscapes of the Parc Naturel Régional de la Haute Vallée de Chevreuse.
Yes, Hermeray offers a good selection of easy, traffic-free road cycling routes perfect for beginners. These routes typically feature gentler terrain within the Parc Naturel Régional de la Haute Vallée de Chevreuse. An example of an easy route is the Nice descent loop from Rambouillet, which covers about 23 km.
The routes around Hermeray traverse the diverse landscapes of the Parc Naturel Régional de la Haute Vallée de Chevreuse. You can expect to cycle through verdant forests, picturesque valleys, and rolling terrain, with altitudes ranging from 63 to 199 meters. The region is characterized by its expansive forests and fields, offering a truly natural setting away from traffic.
Many of the traffic-free road cycling routes around Hermeray are designed as loops, allowing you to start and end at the same point. For instance, the Étang de la Tour – Épernon town hall loop from Épernon is a moderate 58 km circular route, and the Hollande Pond – Vilpert Ponds loop from Guipérreux offers another moderate circular option of about 52 km.
The region is rich in natural beauty. Along your rides, you might encounter serene spots like the Rompu Pond, the unique Guiperreux Toad Crossing, or the expansive Vilpert Ponds. The varied terrain also offers opportunities for panoramic views over the valleys, especially within the Haute Vallée de Chevreuse.
Absolutely! The area is dotted with historical and cultural sites. You can cycle past the Château de Rambouillet and its beautiful canals, or discover the Pont Rouge on the Louis XIV Canal. These historical sites offer interesting stops along your traffic-free cycling adventures.
The komoot community highly rates the road cycling experience around Hermeray, with an average score of 4.6 out of 5 stars from over 200 reviews. Cyclists frequently praise the quiet, car-free paths, the beautiful natural scenery of the Parc Naturel Régional de la Haute Vallée de Chevreuse, and the varied terrain that caters to different fitness levels.
Yes, many of the traffic-free road cycling routes around Hermeray, especially those starting from towns like Rambouillet or Épernon, offer convenient parking options. It's advisable to check the starting point of your chosen route for specific parking information, but generally, access to the regional park's trails is well-supported.
The Parc Naturel Régional de la Haute Vallée de Chevreuse is beautiful year-round. Spring and autumn offer pleasant temperatures and vibrant colors, making them ideal for cycling. Summer is also great, though it can be warmer, while winter provides a unique, tranquil experience, especially on the quieter, traffic-free routes.
While most routes are easy to moderate, there is one challenging traffic-free road cycling route around Hermeray for those seeking a greater test. The region's varied altitude, ranging up to 199 meters, means even moderate routes can include significant climbs and descents, offering a good workout for experienced riders.
Hermeray and surrounding towns like Rambouillet are accessible by public transport, making it possible to reach the starting points of many routes without a car. The region is well-connected, and you can often find train stations or bus stops near the beginning of these traffic-free cycling paths, particularly those within the Parc Naturel Régional de la Haute Vallée de Chevreuse.


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