3.9
(8)
252
runners
39
runs
Jogging around Forêt d'Ermenonville offers a diverse natural environment characterized by sandy soils, heather undergrowth, and Scots pines. The terrain includes unique features like the "sea of sand" with ancient dunes, alongside woodlands, meadows, rivers, and ponds. This setting provides varied landscapes for running, from established trails to more natural paths. The forest is part of the Massif des Trois Forêts, offering a blend of ecological richness and historical significance for outdoor activities.
Last updated: July 8, 2026
3.7
(3)
6
runners
Moderate run. Good fitness required. Mostly accessible paths. Some sure footedness required.
31
runners
16.2km
01:41
100m
100m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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10
runners
37.8km
04:34
330m
330m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
runners
10.7km
01:17
90m
90m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
runners
12.9km
01:34
140m
140m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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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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The Jean-Jacques Rousseau park in Ermenonville is a beautiful example of a landscaped garden, inspired by the paintings of Poussin and Claude Lorrain. There you can admire ponds, meadows and groves, as well as small buildings evoking different virtues, values or characters. The park is named after the philosopher Jean-Jacques Rousseau, who spent the last six weeks of his life there and was buried on Île des Peupliers. You can follow in his footsteps and meditate on his writings, engraved on certain ruins. The park is also a place of literary pilgrimage, as many famous writers and artists have visited it over the centuries. You can enjoy the tranquility and harmony of nature in this park, which is open Tuesday to Sunday, from 11 a.m. to 5:30 p.m.
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Ermenonville Castle is a medieval fortress which was transformed into a castle in the 18th century. The castle is located in the heart of a country-inspired park, from where you can admire the view of the Launette and the Jean-Jacques Rousseau park.
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The Jean-Jacques Rousseau Park in Ermenonville is a beautiful example of a landscaped garden, inspired by the paintings of Poussin and Claude Lorrain. You can admire ponds, meadows and groves, as well as small buildings that evoke different virtues, values or characters. The park is named after the philosopher Jean-Jacques Rousseau, who spent the last six weeks of his life there and was buried on Île des Peupliers. You can follow in his footsteps and meditate on his writings, engraved on certain ruins. The park is also a place of literary pilgrimage, as many famous writers and artists have visited it over the centuries. You can enjoy the tranquility and harmony of nature in this park, which is open from Tuesday to Sunday, from 11:00 a.m. to 5:30 p.m.
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The Château d'Ermenonville is a medieval fortress which was transformed into a castle in the 18th century. The castle is located in the heart of a country-inspired park, from where you can admire the view of the Launette and the Jean-Jacques Rousseau park. You can also enjoy the elegance of the restaurant and lounge, or rent a boat or bicycle to explore the surrounding area.
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Difficult to pass due to invasive vegetation.
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The Forêt d'Ermenonville is known for its diverse terrain, featuring sandy soils, heather undergrowth, and Scots pines. You'll encounter unique areas like the 'sea of sand' with ancient dunes, as well as woodlands, meadows, rivers, and ponds. This variety offers a dynamic backdrop for running, from established trails to more natural paths.
Yes, komoot offers nearly 40 running routes in Forêt d'Ermenonville. These routes cater to various fitness levels, with a good selection of moderate trails and some more challenging options.
Many routes pass by significant landmarks. For instance, the Forest and castle of Ermenonville loop takes you past the historic Château d'Ermenonville. Other attractions in the area include Chaalis Abbey, the unique 'Witch Stone' offering panoramic views, and the philosophical Parc Jean-Jacques Rousseau.
While most routes are classified as moderate, there is at least one easy running route available in Forêt d'Ermenonville. These paths are generally well-suited for beginners or those looking for a less strenuous experience.
Absolutely. Many of the running paths in Forêt d'Ermenonville are designed as loops, allowing you to start and finish at the same point. Examples include the Running loop from Clairière de la Baraque Chaalis and the Ermenonville Forest loop from Ermenonville.
The running routes in Forêt d'Ermenonville are highly regarded by the komoot community, with an average rating of 3.6 stars from over 5 reviews. Over 230 runners have explored the varied terrain, often praising the tranquil environment and diverse landscapes.
Yes, the 'sea of sand' is a distinctive natural feature of the Forêt d'Ermenonville, characterized by ancient dunes and sandy moors. While specific routes may not explicitly name it, many trails traverse areas with sandy soils and heather undergrowth, providing a similar experience to this unique ecological site.
The running routes in Forêt d'Ermenonville vary in length. For example, the Ermenonville Forest loop from La Mer de Sable is about 10.75 km (6.7 miles), while the Château d'Ermenonville loop from Ermenonville covers approximately 12.1 km (7.5 miles).
Yes, with many routes ranging from 10 to 12 kilometers (6 to 7.5 miles) and some even longer, Forêt d'Ermenonville is well-suited for longer running sessions. The varied terrain and peaceful environment make it an enjoyable place to extend your run.
The forest offers several scenic spots. The 'Witch Stone' (Pierre Sorcière) is a large sandstone formation that provides panoramic views over the forest canopy, the 'sea of sand,' and even the bell tower of Senlis Cathedral. Many trails also offer picturesque views of woodlands, meadows, and ponds.
The Forêt d'Ermenonville offers a beautiful setting year-round. Spring and autumn provide pleasant temperatures and vibrant foliage, while summer offers lush greenery. Even in winter, the forest can be a serene place for a run, though conditions may vary with weather.
Yes, there is a route called Ermenonville Forest loop from La Mer de Sable, which starts near the amusement park. This allows you to combine a run with a visit to this unique themed attraction.


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