![](/images/other/stat-length.png)
![Trail Walking Cergy - Cergy - Osny - Pontoise - Neuville - Photo](https://media.geolcdn.com/t/1900/400/ext.pjpeg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D118869%26Media%3D13088_1.jpg)
Cergy - Osny - Pontoise - Neuville
tracegps
User
![Length](/images/other/stat-length.png)
Length
20 km
![Max alt](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_altitude_max_24dp.png)
Max alt
111 m
![Uphill gradient](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_den_pos_24dp.png)
Uphill gradient
203 m
![Km-Effort](/images/other/stat-length.png)
Km-Effort
23 km
![Min alt](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_altitude_min_24dp.png)
Min alt
18 m
![Downhill gradient](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_den_neg_24dp.png)
Downhill gradient
250 m
![Boucle](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Boucle
No
Creation date :
2014-12-10 00:00:00.0
Updated on :
2014-12-10 00:00:00.0
![Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
5h00
Difficulty : Difficult
![Scan this QR Code to open this trail in the SityTrail application](https://capi.geolives.com/qq0zvz2zws4bq2lad0pu/sitytour/trails/118869/qr.png?size=200)
FREE GPS app for hiking
About
Trail Walking of 20 km to be discovered at Ile-de-France, Val-d'Oise, Cergy. This trail is proposed by tracegps.
Description
Boucle entre l'Axe majeur à Cergy, le château de Grouchy à Osny, passage par le centre ville de Pontoise et retour par le chemin de halage d'Eragny sur Oise.
Positioning
Country:
France
Region :
Ile-de-France
Department/Province :
Val-d'Oise
Municipality :
Cergy
Location:
Unknown
Start:(Dec)
Start:(UTM)
431154 ; 5432817 (31U) N.
Comments
Trails nearby
![Trail Walking Pontoise - GRP CV-IDF 2023 - Photo](https://media.geolcdn.com/t/375/260/5cecfad9-3425-44be-8077-e3aed6f072e1.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
GRP CV-IDF 2023
Walking
Difficult
(1)
Pontoise,
Ile-de-France,
Val-d'Oise,
France
![](/images/other/stat-length.png)
15.3 km | 18.6 km-effort
4h 13min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
No
![Trail Walking Jouy-le-Moutier - GRP CV-IDF 2023 - Photo](https://media.geolcdn.com/t/375/260/6d7dbb85-8194-44c4-a991-493315d817a9.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
GRP CV-IDF 2023
Walking
Difficult
(1)
Jouy-le-Moutier,
Ile-de-France,
Val-d'Oise,
France
![](/images/other/stat-length.png)
15.6 km | 18 km-effort
4h 4min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
No
![Trail Running Cergy - Les Bords de l'Oise et la Passerelle de l'Axe Majeur - Port Cergy - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D118750%26Media%3D12946_6.jpg)
![Running Running](https://static1.geolcdn.com/sitytour/trail-icons/103.png)
Les Bords de l'Oise et la Passerelle de l'Axe Majeur - Port Cergy
Running
Easy
(1)
Cergy,
Ile-de-France,
Val-d'Oise,
France
![](/images/other/stat-length.png)
5.2 km | 5.8 km-effort
30min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail On foot Cergy - LES BALADES DE L’ÉTÉ # 9 / DE L’AXE MAJEUR À PORT CERGY - Photo](https://media.geolcdn.com/t/375/260/0abd8c0c-1f20-444a-8fa9-27c91da3cbd0.jpeg&format=jpg&maxdim=2)
![On foot On foot](https://static1.geolcdn.com/sitytour/trail-icons/100.png)
LES BALADES DE L’ÉTÉ # 9 / DE L’AXE MAJEUR À PORT CERGY
On foot
Very easy
(1)
Cergy,
Ile-de-France,
Val-d'Oise,
France
![](/images/other/stat-length.png)
6 km | 7.4 km-effort
1h 45min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Pontoise - Le tour du grand Paris via le GR1 Etape 5 Pontoise- L'isle Adam - Photo](https://media.geolcdn.com/t/375/260/07b6ba80-b018-4e04-a1a3-6a0196965773.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Le tour du grand Paris via le GR1 Etape 5 Pontoise- L'isle Adam
Walking
Medium
Pontoise,
Ile-de-France,
Val-d'Oise,
France
![](/images/other/stat-length.png)
32 km | 38 km-effort
6h 40min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
No
![Trail On foot Cergy - Le Fil d'Ariane - Photo](https://media.geolcdn.com/t/375/260/99555ae7-7473-4890-8cc1-181c61a69de2.jpeg&format=jpg&maxdim=2)
![On foot On foot](https://static1.geolcdn.com/sitytour/trail-icons/100.png)
Le Fil d'Ariane
On foot
Easy
Cergy,
Ile-de-France,
Val-d'Oise,
France
![](/images/other/stat-length.png)
3.2 km | 3.7 km-effort
50min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
No
![Trail On foot Cergy - Bords d'Oise Eragny - Port Cergy - Photo](https://media.geolcdn.com/t/375/260/b35f55a1-55cf-41a0-a75c-3f85248a60dd.jpeg&format=jpg&maxdim=2)
![On foot On foot](https://static1.geolcdn.com/sitytour/trail-icons/100.png)
Bords d'Oise Eragny - Port Cergy
On foot
Very easy
(1)
Cergy,
Ile-de-France,
Val-d'Oise,
France
![](/images/other/stat-length.png)
8 km | 8.7 km-effort
2h 0min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Neuville-sur-Oise - base losir cergy - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fstatic1.geolcdn.com%2Fsiteimages%2Fupload%2Ffiles%2F1553511878bg_sport_marche.png)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
base losir cergy
Walking
Medium
(1)
Neuville-sur-Oise,
Ile-de-France,
Val-d'Oise,
France
![](/images/other/stat-length.png)
22 km | 26 km-effort
5h 35min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
No
![Trail Walking Boissy-l'Aillerie - La chaussée Jules César - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fstatic1.geolcdn.com%2Fsiteimages%2Fupload%2Ffiles%2F1553511878bg_sport_marche.png)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
La chaussée Jules César
Walking
Very easy
(2)
Boissy-l'Aillerie,
Ile-de-France,
Val-d'Oise,
France
![](/images/other/stat-length.png)
10.9 km | 13.9 km-effort
Unknown
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes