Rosny-Sur-Seine, a region in the north-west of Île-de-France, features a diverse landscape suitable for outdoor activities. The area is characterized by the expansive Forêt de Rosny, a 1,750-hectare forest classified as a Natura 2000 site, and the meandering Seine River with its accessible towpaths. Proximity to the Vexin Français Regional Natural Park further enhances the natural environment. This combination of forests, river valleys, and varied terrain provides opportunities for several sports like jogging, hiking, mountain biking, road cycling, and more.
…95
Routes
4.4
(95)
Average rating
1074
People visited

51
runners
35.8km
04:31
570m
570m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

23
runners
9.25km
01:04
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

20
runners
6.45km
00:46
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

22
runners
10.2km
01:04
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(2)
40
riders
76.4km
03:09
420m
420m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

4.7
(3)
28
riders
35.6km
01:29
190m
190m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

16
riders
60.9km
02:46
430m
430m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

10
riders
43.2km
02:05
350m
350m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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5.0
(3)
39
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

5.0
(7)
25
riders
129km
08:15
910m
910m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.7
(3)
34
riders
19.7km
01:13
60m
60m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

31
riders
47.7km
04:35
680m
680m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.4
(5)
32
hikers
11.0km
02:49
40m
40m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(2)
23
hikers
11.5km
02:56
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(1)
13
hikers
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(3)
22
hikers
13.7km
03:43
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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5.0
(15)
38
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.3
(3)
15
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

10
riders
79.1km
06:53
1,230m
1,230m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

5.0
(2)
10
riders
31.0km
02:32
290m
290m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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4.3
(4)
19
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

9
riders
28.7km
01:51
150m
150m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
3
riders
17.4km
01:26
250m
250m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
3
riders
23.3km
01:57
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Rosny-Sur-Seine offers a range of outdoor activities including Jogging, Hiking, Mountain biking, Road cycling, Touring cycling, and Gravel biking. The region features the Forêt de Rosny and the Seine River, providing diverse terrain for exploration. Komoot lists 63 routes in the area.
Rosny-Sur-Seine features several jogging routes through dense woods and along riverbanks. Options include a 10.1-mile (16.2 km) loop and a more challenging 22.2-mile (35.8 km) path through the Forêt de Rosny. More information is available in the Running Trails around Rosny-Sur-Seine guide.
The 1,750-hectare Forêt de Rosny provides numerous paths for hiking, including trails with panoramic views of the Seine valley. The nearby Vexin Français Regional Natural Park and Beurons forest also offer additional hiking opportunities. Details can be found in the Hiking around Rosny-Sur-Seine guide.
The Forêt de Rosny offers suitable paths for mountain biking. The forest environment and calm areas around the lake are conducive to this activity. For specific routes, consult the MTB Trails around Rosny-Sur-Seine guide.
Rosny-Sur-Seine is suitable for road cycling, with routes through the forest and along the Seine. Examples include a 15.2-mile (24.4 km) loop and a 28.3-mile (45.5 km) route through the Forêt régionale de Rosny. A section of the London-Paris Avenue Verte also crosses this area. Explore options in the Road Cycling Routes around Rosny-Sur-Seine guide.
The region is characterized by the vast 1,750-hectare Forêt de Rosny, a Natura 2000 site, and the meandering Seine River. Notable features include the limestone cliffs of La Roche-Guyon and the Belvédère de Rolleboise, which offers panoramic views of the Seine valley.
Komoot users have rated routes in Rosny-Sur-Seine an average of 4.47 out of 5 stars. More than 10,000 visitors have explored the area, contributing to over 1,100 ratings across 63 available routes.
Yes, komoot offers several guides for the region. These include guides for Running Trails, Hiking, MTB Trails, Road Cycling Routes, Cycling, and Gravel biking.
The official website for Rosny-Sur-Seine is http://www.rosnysurseine.fr. This site provides information about the municipality and local services.
The main phone number for the Mairie (Town Hall) of Rosny-Sur-Seine is +33130429056. This number can be used for general inquiries.
Rosny-Sur-Seine offers longer routes, such as a 22.2-mile (35.8 km) jogging path through the Forêt de Rosny. Road cyclists can find routes like the 28.3-mile (45.5 km) 'Jo loop' through the regional forest. These options cater to those seeking extended outdoor experiences.

