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.
…106
Routes
4.4
(170)
Average rating
1646
People visited

4.5
(38)
199
riders
72.3km
04:22
290m
290m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

3.7
(3)
40
riders
19.8km
01:13
60m
60m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

5.0
(3)
37
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.9
(8)
33
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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70
runners
15.9km
01:44
50m
50m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

52
runners
4.22km
00:29
20m
20m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

50
runners
35.8km
04:31
570m
570m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

2.0
(1)
34
runners
3.48km
00:24
10m
10m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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4.7
(6)
38
riders
34.1km
02:43
140m
140m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.8
(4)
39
riders
43.2km
03:31
470m
470m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.0
(3)
22
riders
36.6km
03:08
470m
470m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.0
(1)
17
riders
52.9km
04:35
810m
810m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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4.7
(3)
34
riders
35.0km
01:29
190m
190m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

21
riders
88.1km
03:46
540m
540m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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

12
riders
42.7km
02:04
340m
340m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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5.0
(2)
24
hikers
11.5km
02:56
50m
50m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(2)
19
hikers
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(3)
21
hikers
13.7km
03:43
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.5
(4)
22
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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4.0
(4)
12
riders
29.7km
01:50
130m
130m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

5.0
(3)
18
riders
72.7km
04:20
340m
340m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(3)
22
riders
39.5km
02:29
120m
120m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
(2)
9
riders
104km
06:36
610m
610m
Hard gravel ride. Very 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.

