4.7
(211)
1,177
hikers
120
hikes
Hiking around Forêt d'Ermenonville offers diverse trails through sandy moors and extensive Scots pine forests in the Oise department of France. The region is characterized by low topographical relief, with small hills and shallow ponds, and features unique sandy soils that create a Mediterranean ambiance. Hikers can explore paths through heather undergrowth and discover historical sites like Chaalis Abbey and Château d'Ermenonville.
Last updated: July 7, 2026
5.0
(7)
24
hikers
23.3km
06:07
180m
180m
Hike the difficult 14.5-mile Abbaye de Chaalis loop from Ermenonville, exploring sandy forests, historic abbey ruins, and Jean-Jacques Rouss
3.8
(4)
15
hikers
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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5.0
(8)
38
hikers
15.5km
04:03
120m
120m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.9
(11)
42
hikers
7.20km
01:53
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.5
(8)
25
hikers
10.3km
02:45
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Spanning over 3,300 hectares, the Ermenonville forest, along with those of Halatte and Chantilly, forms the vast Trois Forêts massif. Once owned by the monks of Chaalis and other nearby abbeys, it is now renowned for its moors, Scots pines, and sandy soil, home to rare wildlife such as the European nightjar and the praying mantis.
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Pine trees, sand, ferns galore. In short, you're transported elsewhere and breathe in the air of the Landes...
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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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Forêt d'Ermenonville is known for its distinctive sandy soils and extensive Scots pine forests. This unique terrain, often compared to a Mediterranean landscape, makes for relatively easy hiking, even during winter. You'll find paths winding through sandy moors, heather undergrowth, and small hills, with occasional shallow ponds.
Yes, the forest is rich in history. You can explore sites like Chaalis Abbey, with its ruins, museum, and gardens, or the impressive Château d'Ermenonville. Don't miss the Witch Stone (Pierre Sorcière), a large sandstone formation offering panoramic views, or the Jean-Jacques Rousseau Park, which includes his hut overlooking the Étang du Désert.
The sandy terrain of Forêt d'Ermenonville makes it enjoyable for hiking year-round, even in winter. In summer, the moors burst with heather and wildflowers, adding vibrant color to the landscape. The Scots pine forests offer shade during warmer months, and the unique sandy conditions prevent paths from becoming too muddy after rain.
Yes, Forêt d'Ermenonville offers a variety of trails suitable for different fitness levels, including shorter, easily accessible paths perfect for families. The low topographical relief and sandy trails make for pleasant walks with children.
The trails in Forêt d'Ermenonville are highly rated by the komoot community, with an average score of 4.7 stars from over 170 reviews. Hikers often praise the unique sandy moors, the extensive Scots pine forests, and the opportunity to combine natural beauty with historical sites like Chaalis Abbey and Château d'Ermenonville.
Yes, many of the popular routes in Forêt d'Ermenonville are circular, allowing you to start and end at the same point. Examples include the Forest and castle of Ermenonville — loop from in the Oise-Pays de France regional natural park, which offers varied forest terrain and views of the Château d'Ermenonville.
There are over 120 hiking trails recorded in Forêt d'Ermenonville on komoot, offering a wide range of options from easy strolls to more challenging long-distance routes. This includes 51 easy, 65 moderate, and 5 difficult trails.
The forest is renowned for its 'sea of sand,' a 20-hectare dune area that contributes to its unique natural appeal, especially when viewed from points like the Witch Stone. The extensive Scots pine forests, sandy moors, and heather undergrowth create a distinct landscape recognized for its rich biodiversity.
While specific parking locations for every trailhead are not detailed in this guide, Forêt d'Ermenonville is generally accessible by car. You can often find parking near popular starting points or attractions like Chaalis Abbey and Château d'Ermenonville. It's advisable to check local signage upon arrival.
Access to Forêt d'Ermenonville by public transport is possible, though it may require some planning. The forest is situated in the Oise department of France, and nearby towns like Ermenonville or Senlis may offer bus connections from larger transport hubs. For detailed public transport information, it's best to consult local transport authority websites.
Yes, for those seeking a more demanding experience, there are several challenging routes. One such option is the Chaalis Abbey and Ermenonville Forest Loop, a 14.5-mile (23.3 km) trail that connects historical landmarks with the forest's natural beauty and takes approximately 6 hours to complete.
While this guide focuses on the hiking trails themselves, the villages surrounding Forêt d'Ermenonville, such as Ermenonville, offer options for dining and refreshments. You might find cafes or restaurants in these nearby communities to refuel after your hike.


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