![](/images/other/stat-length.png)
![Trail Other activity Montigny-le-Bretonneux - 20150809 e-roue (1) - Photo](https://media.geolcdn.com/t/1900/400/ext.pjpeg?maxdim=2&url=https%3A%2F%2Fstatic1.geolcdn.com%2Fsiteimages%2Fupload%2Ffiles%2F1545311037marcheuse_200dpi.jpg)
20150809 e-roue (1)
sbouju
User
![Length](/images/other/stat-length.png)
![Max alt](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_altitude_max_24dp.png)
![Uphill gradient](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_den_pos_24dp.png)
![Km-Effort](/images/other/stat-length.png)
![Min alt](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_altitude_min_24dp.png)
![Downhill gradient](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_den_neg_24dp.png)
![Boucle](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Other activity](https://static1.geolcdn.com/sitytour/trail-icons/900.png)
4h22
Difficulty : Medium
![Scan this QR Code to open this trail in the SityTrail application](https://capi.geolives.com/qq0zvz2zws4bq2lad0pu/sitytour/trails/456448/qr.png?size=200)
FREE GPS app for hiking
About
Trail Other activity of 28 km to be discovered at Ile-de-France, Yvelines, Montigny-le-Bretonneux. This trail is proposed by sbouju.
Description
Première partie de la ballade en monocycles électriques en compagnie de Nicolas K., soit la descente de la vallée de la Bièvres de Saint-Quentin-en-Yvelines jusqu'à Amblainvilliers. La partie un peu moins facile de cette randonnée se situe entre Jouy-en-Josas et Bièvres, lorsque nous avons quitté le suivi de la Bièvres pour faire un détour par le GR à flanc de côteau du plateau de Vélizy.
Positioning
Comments
Trails nearby
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![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Walking
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Walking Magny-les-Hameaux - Merantaise réel - Photo](https://media.geolcdn.com/t/375/260/4d2164f2-d361-4db7-b056-eb385e9bacad.jpeg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Walking
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Walking Magny-les-Hameaux - Boucle 23 km à partir de Port Royal des Champs - Photo](https://media.geolcdn.com/t/375/260/9a76b572-9029-4a25-99b4-82cf64e08344.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Walking
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Walking Guyancourt - ALBG Etang val d'or, minière - 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)
Walking
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Mountain bike Saint-Cyr-l'École - 14102013 - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fstatic1.geolcdn.com%2Fsiteimages%2Fupload%2Ffiles%2F1524743154velo.jpg)
![Mountain bike Mountain bike](https://static1.geolcdn.com/sitytour/trail-icons/202.png)
Mountain bike
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Mountain bike Montigny-le-Bretonneux - Rando des renards 35k - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fstatic1.geolcdn.com%2Fsiteimages%2Fupload%2Ffiles%2F1524743154velo.jpg)
![Mountain bike Mountain bike](https://static1.geolcdn.com/sitytour/trail-icons/202.png)
Mountain bike
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Walking Versailles - Tour du grand canal - Photo](https://media.geolcdn.com/t/375/260/44f1d875-f9d9-48f9-b6e9-6bb3ee1324d4.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Walking
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Walking Guyancourt - Etang de la Geneste - Photo](https://media.geolcdn.com/t/375/260/b0069325-c3ea-4e56-af3c-b7a82121bc33.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Walking
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Walking Versailles - Pièce d'eau des Suisses - Photo](https://media.geolcdn.com/t/375/260/0fec71f6-644a-4813-86e2-a3c43307f25b.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Walking
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)