4.4
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2,163
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Jogging routes around Le Tertre-Saint-Denis traverse a rural commune in the Yvelines department, characterized by its preserved natural landscape and rolling terrain. Elevations within the commune range between 123 and 168 meters, providing varied topography for running. The region offers access to extensive green spaces, including nearby forests like Forêt de Rosny, which feature numerous trails. This environment supports a network of running paths suitable for exploring the area's natural features.
Last updated: June 26, 2026
10
runners
20.7km
02:36
330m
330m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
runners
10.9km
01:07
50m
50m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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9
runners
13.7km
01:41
160m
160m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
runners
9.75km
01:00
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
runners
6.49km
00:47
80m
80m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The regional forest of Rosny is the green lung of the north-west of Île-de-France, with 1,751 hectares of wooded areas classified as a Natura 2000 site. It is located on a plateau which offers beautiful viewpoints when the landscape emerges.
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the belvedere, then this one you have to gain if you come from the bottom of Rolleboise, it goes up a bit, it is a vestige of the Universal Exhibition of Paris in 1900, it was brought back from Paris and installed here, it at was redone a short time ago because it was going into disrepair and it was a little trashed but now it is magnificent is monitored by 2 cameras, you with a view of the Seine and the valley at the top
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There are over 180 running routes available around Le Tertre-Saint-Denis, offering a wide variety of options for different preferences and fitness levels. The area is well-known for its extensive network of trails through natural landscapes.
The terrain around Le Tertre-Saint-Denis is characterized by its rural charm and rolling landscape. Elevations vary between 123 and 168 meters, providing a naturally varied and engaging experience. You'll find paths winding through preserved natural areas and extensive forests, such as the Forêt de Rosny, offering a mix of gentle inclines and flat sections.
Yes, Le Tertre-Saint-Denis offers several easy running routes. While the majority are moderate, there are 11 routes specifically categorized as easy, perfect for beginners or a relaxed jog. These routes typically feature less elevation gain and smoother paths.
The running routes around Le Tertre-Saint-Denis are highly rated by the komoot community, with an average score of 4.5 stars from over 60 reviews. More than 2,500 runners have explored the varied terrain, often praising the peaceful rural setting and the natural beauty of the forest trails.
Yes, many of the running routes in Le Tertre-Saint-Denis are designed as circular loops, allowing you to start and finish at the same point. For example, the La mare au Prévôt loop from Longnes is a moderate 9.7 km circular path that takes you through varied rural landscapes.
Many of the easier and moderate routes, especially those through the forests, can be suitable for families looking for a pleasant outdoor activity. The natural environment provides a great backdrop for a family run or walk. Consider routes with less elevation for younger children.
Generally, dogs are welcome on trails in the natural areas and forests around Le Tertre-Saint-Denis, provided they are kept on a leash. This allows for a safe and enjoyable experience for all users and protects local wildlife.
While jogging, you'll primarily experience the preserved natural landscape, rolling hills, and extensive forests characteristic of the Yvelines department. For specific landmarks, you might encounter historical sites such as the Donjon and Fortified Site of Montchauvet or the Château de Tilly in the wider area, offering glimpses into the region's heritage.
Absolutely. A great option for a moderate challenge with scenic views is the Running loop from Fontenay-Mauvoisin. This 6.5 km route features a moderate elevation gain of about 85 meters, taking you through the picturesque rural surroundings of the commune.
Given the rural nature of Le Tertre-Saint-Denis and its surrounding areas, parking is generally available in or near the starting points of many routes, particularly in villages or designated forest access points. It's advisable to check specific route details on komoot for precise parking information.
The best time to go jogging in Le Tertre-Saint-Denis is typically during spring, summer, and autumn. Spring offers pleasant temperatures and blooming nature, while autumn provides beautiful foliage. Summer is also suitable, though it's best to run in the mornings or evenings to avoid the midday heat, especially on more exposed paths.
Yes, for experienced runners seeking longer distances, the region offers routes that extend into the larger forest areas. While not explicitly listed as 'difficult' in the intro, many routes, including those venturing deeper into the Forêt de Rosny, can be combined or extended to create longer, more challenging runs. The guide lists 27 difficult routes for those seeking a significant challenge.


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