![](/images/other/stat-length.png)
![Trail Walking Fort-Mahon-Plage - La dune de Royon - Photo](https://media.geolcdn.com/t/1900/400/ext.pjpeg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D108543%26Media%3D1446_1.jpg)
La dune de Royon
tracegps
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)
![Walking](https://static1.geolcdn.com/sitytour/trail-icons/101.png)
1h30
Difficulty : Medium
![Scan this QR Code to open this trail in the SityTrail application](https://capi.geolives.com/qq0zvz2zws4bq2lad0pu/sitytour/trails/108543/qr.png?size=200)
FREE GPS app for hiking
About
Trail Walking of 4.1 km to be discovered at Hauts-de-France, Somme, Fort-Mahon-Plage. This trail is proposed by tracegps.
Description
Ce sentier permet de découvrir un milieu naturel dunaire extrêmement sensible. L'Oyat est roi sur la frange littorale, mais bon nombre d'espèces végétales colonisent ce milieu qui abrite de nombreux oiseaux. Pour télécharger la fiche du circuit en format pdf. Partez à la découverte des sites naturels les plus remarquables du département de la Somme à travers 14 promenades pédestres.
Positioning
Comments
Trails nearby
![Trail Walking Quend - Le Colombier - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D108606%26Media%3D1514_1.jpg)
![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 On foot Groffliers - Tour de Groffliers - Photo](https://media.geolcdn.com/t/375/260/0dee6b58-3c69-4a3e-8786-fb5f94c93ed2.jpeg&format=jpg&maxdim=2)
![On foot On foot](https://static1.geolcdn.com/sitytour/trail-icons/100.png)
On foot
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Electric bike Fort-Mahon-Plage - Tour de la baie D’Authie - Photo](https://media.geolcdn.com/t/375/260/009af033-fc32-419b-94c5-466a83f3fabb.jpeg&format=jpg&maxdim=2)
![Electric bike Electric bike](https://static1.geolcdn.com/sitytour/trail-icons/205.png)
Electric bike
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Walking Quend - dixk-mônchaux - Photo](https://media.geolcdn.com/t/375/260/0c33e945-d50d-4b4a-bef0-ad25dd476496.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 Fort-Mahon-Plage - les CROCS -SAINT QUENTIN EN TOURMONT - Photo](https://media.geolcdn.com/t/375/260/20e8182c-4abb-4f1d-a47e-2b1a6b27419f.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 On foot Quend - Le Colombier - Photo](https://media.geolcdn.com/t/375/260/716ce54f-89a0-4335-b6e0-2d178a29836d.jpeg&format=jpg&maxdim=2)
![On foot On foot](https://static1.geolcdn.com/sitytour/trail-icons/100.png)
On foot
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
![Trail Walking Groffliers - rando autour de Berck via la côte. - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D729575%26Media%3D20170409133836.jpg)
![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 Waben - Le Tour de Groffliers à pied - Photo](https://media.geolcdn.com/t/375/260/ext.jpg?maxdim=2&url=https%3A%2F%2Fservices.sitytrail.com%2FGeolivesWS%2FDownloadMedia.ashx%3FTrailID%3D112284%26Media%3D10292_6.jpg)
![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 Nordic walking Fort-Mahon-Plage - fort mahon 2 Isabelle - Photo](https://media.geolcdn.com/t/375/260/98f2fec9-4d89-4669-b420-28181b1cce2f.jpg&format=jpg&maxdim=2)
![Nordic walking Nordic walking](https://static1.geolcdn.com/sitytour/trail-icons/102.png)
Nordic walking
![](/images/other/stat-length.png)
![](https://static1.geolcdn.com/siteimages/upload/files/16400158638029165_repeat_loop_refresh_sync_direction_icon.png)
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