4.1
(105)
2,651
riders
193
rides
Road cycling around Ermenonville features extensive forests, picturesque parks, and unique geological formations. The region is characterized by sandy soils, heather undergrowth, and Scots pines, with the Forêt d'Ermenonville serving as a central hub for routes. Terrain includes mostly paved surfaces, some unpaved segments, and varying elevation gains, with options for long, flat stretches. The Launette river meanders through the forest, creating ponds near Ermenonville Park and Chaalis Abbey.
Last updated: May 5, 2026
4.8
(4)
74
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
36
riders
75.8km
03:19
440m
440m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
22
riders
33.9km
01:30
170m
170m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
7
riders
26.3km
01:12
140m
140m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
5.0
(1)
11
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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The Château de Thiers-sur-Thève, now in ruins, is a former 13th-century fortified castle listed as a Historic Monument in 1862. Built as a hunting lodge for the bishops of Beauvais, it is distinguished by its large state room pierced with large windows, a rare example of medieval residential architecture in the Île-de-France region. Partially dismantled in the 15th century, its circular towers, moats, and Gothic remains can still be admired.
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Beautiful washhouse in a beautiful location. Located between Jean Jacques Rousseau Park and Ermenonville Castle.
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This castle is a very pretty place full of charm which according to Wikipedia dates from the 18th century and whose origins date back to the year 987!!!!!
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Perfect setting in Jean Jacques Rosseau Park to rest your feet while enjoying a picnic
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best view of the castle 🏰
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best spots to take a break and admire the castle
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Ermenonville offers a wide selection of road cycling routes, with over 180 options available. These routes cater to various skill levels, including easy, moderate, and a few more challenging rides.
The terrain in Ermenonville is quite varied. You'll find mostly paved surfaces, especially within the extensive Forêt d'Ermenonville, but some segments might be unpaved, adding a touch of adventure. The region features sandy soils, heather undergrowth, and Scots pines, with routes offering varying elevation gains, from long, flat stretches to more undulating sections.
Yes, Ermenonville is welcoming for beginners and those seeking a more relaxed ride. There are nearly 50 easy road cycling routes available. Many routes within the Forêt d'Ermenonville are described as long and easy, even enabling continuous cycling on flat terrains for extended periods. An example is the Mini bell tower – Othis Church loop from Le Plessis-Belleville, which is an easy 21.0-mile trail.
While Ermenonville is known for its accessible terrain, there are a few routes that offer more challenge, with 3 difficult routes available. The region's diverse landscape, including areas within the Forêt d'Ermenonville, provides varying elevation gains for those looking for a more strenuous ride. For a longer, moderate challenge, consider the 14th Century Church of Baron – Ermenonville Castle loop from Le Plessis-Belleville, which covers over 69 miles with significant elevation.
Ermenonville's routes are rich with scenic beauty and historical landmarks. You can cycle past the picturesque ponds created by the Launette river near Jean-Jacques Rousseau Park and Chaalis Abbey. The Forêt d'Ermenonville itself offers several viewpoints, including the 'View from the treetops' (Witch Stone), providing expansive vistas over the forest canopy and the unique 'sea of sand'.
Absolutely. Many road cycling routes in Ermenonville pass by significant historical sites. You can explore routes that lead to Château d'Ermenonville, Chaalis Abbey with its impressive ruins and rose garden, or even further to Pontarmé Castle. The Ermenonville Castle – Chantilly Castle loop from Le Plessis-Belleville is a popular route connecting two major castles.
The road cycling experience in Ermenonville is highly rated by the komoot community, with an average score of 4.1 stars from over 75 reviews. Cyclists often praise the extensive forests, picturesque parks, and the unique blend of natural beauty with historical attractions. The variety of routes, from easy loops to more challenging rides, also contributes to its popularity.
Yes, Ermenonville offers several family-friendly road cycling routes. The region's many easy and moderate routes, often on mostly paved surfaces within the Forêt d'Ermenonville, are suitable for families. The relatively flat sections and scenic surroundings make for enjoyable rides for all ages. For example, the Ermenonville Castle – Château d'Ermenonville loop from Le Plessis-Belleville is an easy 15.5-mile route that could be suitable for families.
Ermenonville is enjoyable for road cycling throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery as the forests change colors. Summer is also popular, though it can be warmer. The extensive forest cover provides shade on sunny days. While some routes are accessible in winter, it's always advisable to check local conditions for ice or snow, especially on less-trafficked paths.
Yes, the Forêt d'Ermenonville is home to several unique natural features. You'll encounter sandy soils, heather undergrowth, and distinctive Scots pines, creating a landscape that can evoke a 'Mediterranean feel'. Look out for unusual granite boulders and the meandering Launette river, which forms picturesque ponds. The forest is also ecologically significant, harboring rare species.
Parking is generally available at various access points around the Forêt d'Ermenonville and near popular attractions like Jean-Jacques Rousseau Park or Château d'Ermenonville. Many routes, such as those starting from Le Plessis-Belleville, offer convenient starting points with parking facilities.
While specific public transport connections directly to all trailheads might vary, Ermenonville is generally accessible. Cyclists can often reach nearby towns by regional train or bus services, and then cycle to the starting points of the routes. It's recommended to check local public transport schedules and bicycle carriage policies in advance.


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