![](/images/other/stat-length.png)
![Trail Walking Bullion - 2020-06-17 Rando La Forêt de la Claye - Photo](https://media.geolcdn.com/t/1900/400/ext.pjpeg?maxdim=2&url=https%3A%2F%2Fstatic1.geolcdn.com%2Fsiteimages%2Fupload%2Ffiles%2F1553511878bg_sport_marche.png)
2020-06-17 Rando La Forêt de la Claye
jchezlemas
User
![Length](/images/other/stat-length.png)
Length
9 km
![Max alt](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_altitude_max_24dp.png)
Max alt
171 m
![Uphill gradient](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_den_pos_24dp.png)
Uphill gradient
109 m
![Km-Effort](/images/other/stat-length.png)
Km-Effort
10.5 km
![Min alt](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_altitude_min_24dp.png)
Min alt
102 m
![Downhill gradient](https://static1.geolcdn.com/siteimages/upload/files/1508320355ic_sort_den_neg_24dp.png)
Downhill gradient
109 m
![Boucle](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Boucle
Yes
Creation date :
2020-06-11 12:06:37.69
Updated on :
2020-06-11 12:09:18.249
![Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
--
Difficulty : Unknown
![Scan this QR Code to open this trail in the SityTrail application](https://capi.geolives.com/qq0zvz2zws4bq2lad0pu/sitytour/trails/2432190/qr.png?size=200)
FREE GPS app for hiking
About
Trail Walking of 9 km to be discovered at Ile-de-France, Yvelines, Bullion. This trail is proposed by jchezlemas.
Description
Dans le Parc Naturel de la Haute Vallée de Chevreuse, une randonnée essentiellement en forêt, avec des essences variées et des mares cachées dans les sous-bois de fougères. La Fontaine Sainte-Anne, qui fut longtemps l'objet de pèlerinages, offre un cadre agréable pour une halte.
Points of interest
Positioning
Country:
France
Region :
Ile-de-France
Department/Province :
Yvelines
Municipality :
Bullion
Location:
Unknown
Start:(Dec)
Start:(UTM)
422562 ; 5384279 (31U) N.
Comments
Trails nearby
![Trail Walking La Celle-les-Bordes - _Sensations originelles - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D172073%26Media%3D62ffcccf-49cf-426b-af31-a3cdff83876e.JPG)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
_Sensations originelles
Walking
Medium
(8)
La Celle-les-Bordes,
Ile-de-France,
Yvelines,
France
![](/images/other/stat-length.png)
13.6 km | 16 km-effort
3h 30min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Longvilliers - _Les Moulins de la Rémarde - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D172068%26Media%3Db1cdb090-96c0-44bf-89a1-996bab033954.jpg)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
_Les Moulins de la Rémarde
Walking
Easy
(8)
Longvilliers,
Ile-de-France,
Yvelines,
France
![](/images/other/stat-length.png)
9.3 km | 10.4 km-effort
2h 0min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Clairefontaine-en-Yvelines - _Aux sources de la Rabette - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D172067%26Media%3D8303e7f0-43e7-437e-9972-9962d4dcef0e.jpg)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
_Aux sources de la Rabette
Walking
Easy
(15)
Clairefontaine-en-Yvelines,
Ile-de-France,
Yvelines,
France
![](/images/other/stat-length.png)
7.2 km | 8.3 km-effort
1h 51min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Bullion - _Bullion, village vivant ! - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D172071%26Media%3D4b3b53c0-a03c-424c-96bf-4753188fab20.jpg)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
_Bullion, village vivant !
Walking
Very easy
(5)
Bullion,
Ile-de-France,
Yvelines,
France
![](/images/other/stat-length.png)
7.1 km | 8.5 km-effort
1h 52min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Bullion - _Le bois d''Haumont - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D172072%26Media%3D9dbe9f7c-fb0a-44be-ab73-8dc5727df278.JPG)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
_Le bois d''Haumont
Walking
Easy
(4)
Bullion,
Ile-de-France,
Yvelines,
France
![](/images/other/stat-length.png)
5.8 km | 7.1 km-effort
1h 30min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Bullion - Autour de Bullion - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D102194%26Media%3D2593_2.jpg)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Autour de Bullion
Walking
Difficult
(1)
Bullion,
Ile-de-France,
Yvelines,
France
![](/images/other/stat-length.png)
22 km | 26 km-effort
4h 30min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Sonchamp - _La marlotterie - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D780610%26Media%3D9a2ac7f9-d16a-44b5-b35a-b5d44d659c80.jpg)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
_La marlotterie
Walking
Easy
Sonchamp,
Ile-de-France,
Yvelines,
France
![](/images/other/stat-length.png)
5.9 km | 6.8 km-effort
1h 30min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Clairefontaine-en-Yvelines - Clairefontaine - Photo](https://media.geolcdn.com/t/375/260/f9ebf4ea-ca14-458b-9191-1e3f45b135cd.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Clairefontaine
Walking
Easy
Clairefontaine-en-Yvelines,
Ile-de-France,
Yvelines,
France
![](/images/other/stat-length.png)
12.1 km | 14.1 km-effort
3h 11min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes
![Trail Walking Saint-Arnoult-en-Yvelines - Yvelines_Saint-Arnoult=>BoisDeRochefort=>Rochefort - Photo](https://media.geolcdn.com/t/375/260/4db7159e-1f12-446b-909c-36750ce5637d.jpg&format=jpg&maxdim=2)
![Walking Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
Yvelines_Saint-Arnoult=>BoisDeRochefort=>Rochefort
Walking
Easy
Saint-Arnoult-en-Yvelines,
Ile-de-France,
Yvelines,
France
![](/images/other/stat-length.png)
11.8 km | 14.2 km-effort
3h 13min
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
Yes