4.5
(1233)
5,899
hikers
213
hikes
Hiking in Forêt De Carnelle offers a diverse range of bus station hiking trails through a 975-hectare forest located north of Paris. The region is characterized by a varied landscape, including majestic mixes of oak, beech, and chestnut trees, two artificial lakes (Lac Bleu and Le Petit Étang de Carnelle), and varying elevations that reach up to 210 meters. These features provide both gentle strolls and more challenging sections, making it a destination for different fitness levels.
Last updated: July 6, 2026
5.0
(2)
12
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.3
(4)
11
hikers
8.99km
02:28
150m
150m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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5.0
(1)
5
hikers
9.35km
02:36
170m
170m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
10
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
6
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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A must-see: the Chappe telegraph
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What is to be remembered from this route is the passage through the Carnelle forest. However, there are too many roads on the Isle Adam and along the Oise. No particular difficulty.
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This visit on Sunday morning, Chappe museum
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Thank you @Corentin for this important remark. I went back and there were actually many strains littering the single. When the vegetation has grown well, they are not always visible. So be careful!
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pretty lake hidden in the middle of the forest
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Be careful, in the forest, the singles go off the paths and pass through the middle of the ONF plots. Traffic is prohibited there.
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Nice walk in the forest with the three chained lakes at the end
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There are over 200 hiking routes in Forêt De Carnelle that are accessible directly from bus stations, offering a wide variety of options for car-free adventures. These include 91 easy routes, 117 moderate routes, and 5 difficult routes.
Many routes in Forêt De Carnelle are designed as loops, making them convenient for bus travelers. A popular moderate option is The Blue Lake – Lac Bleu loop from Saint-Martin-du-Tertre, which covers about 8 km. For a slightly longer moderate hike, consider Le Petit Étang de Carnelle – The Blue Lake of Carnelle loop from Saint-Martin-du-Tertre, spanning nearly 9 km.
Yes, Forêt De Carnelle offers several easy routes suitable for families. An excellent choice is the Hiking loop from Saint-Martin-du-Tertre, which is approximately 6.9 km long and features gentle terrain, perfect for a relaxed outing with children.
The forest is rich in natural beauty. Many trails lead to or pass by the serene The Blue Lake of Carnelle and Le Petit Étang de Carnelle, offering peaceful waterside walks. The forest itself is home to majestic oaks, beeches, and chestnut trees, providing a diverse and vibrant ecosystem.
Absolutely. You can explore historical sites like the ancient megalithic structure, Pierre Turquèse Hill, which is considered the most important prehistoric monument in Île-de-France. The forest also sits on a butte, reaching 210 meters, offering panoramic views from various points, including the historical Butte Féodale. A route like Montée de la Pierre Turquaise – Tour du Guet Chappe loop from Saint-Martin-du-Tertre combines historical interest with scenic views.
Forêt De Carnelle is enjoyable year-round. Spring brings lush greenery and blooming wildflowers, while autumn offers stunning foliage. Summer provides pleasant shade under the dense canopy, and even winter can be beautiful with crisp air and potentially snow-dusted landscapes. Public transport access remains consistent throughout the seasons.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 1100 reviews. Reviewers often praise the forest's tranquility, diverse landscapes, and the ease of access via public transport, making it a perfect escape from urban life.
Yes, Forêt De Carnelle is generally dog-friendly. Most trails are suitable for dogs, provided they are kept under control, especially given the presence of wildlife like deer and wild boars. Always check local regulations regarding leashes and ensure your dog is comfortable with public transport if you plan to use it.
Yes, several routes focus on this beautiful feature. The The Blue Lake of Carnelle – Carnelle's Blue Lake loop from Nointel is a moderate 9.5 km hike that offers excellent views and walks around the lake, known for its potential deep blue color.
Forêt De Carnelle is an oasis of biodiversity. Hikers might spot mammals such as badgers, foxes, hares, deer, roe deer, and wild boars. The forest is also home to numerous bird species, including the European honey buzzard and black woodpecker, as well as various amphibians around the ponds.
For additional details about the Forêt de Carnelle and its attractions, you can visit official tourism websites such as Visit Paris Region or Val d'Oise Tourisme.


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