Water

Baie de l'Authie La Dune de l'Authie Galets Plage

Pointe de Cultures Routhiauville Boisements

Fond de vallée humide

Riding school Towards Authie Bay Authie Towards Prairies

Wooded dune Fourrés Low lands Shrub covered Water dunes Roselière

Dune slacks Wooded dune Montagne Shrub covered dunes Discovery Tidal marsh Trail © B. Teissedre © B. Balisage Continuité d'itinéraire Mauvaise direction Changement de direction White dunes , Dune slacks Starting Pelouseat: the discovery graveleuse Village Fort-Mahon Fort-Mahon-Plage 0 250 500 m The Dune of Authie trail car park Time: 1 hourPelouse rase Walkers will be able to explore the Starting point Follow the trail from Be careful Fort-Mahon, 12km from The trail is not suitable for dune slacks - water-filled depressions the car park Rue, 40km from Distance: 2,5km bicycles. No horse riding. containing a rich biodiversity - when Car Park On arrival at the junction, take the path to the left following this trail through the Dune Discovery trail car park or Dune boisée of Authie. Route: very easy the Authie car park This trail is maintained by Observation point the Syndicat Mixte Baie de – Grand Littoral Fort-Mahon Dune arbustive View point Picard (SMBS-GLP) Information point Rue White dunes For more information: Abbeville Sign posts Route continues Wrong direction Change of direction • Tourist Offices: Péronne Spring Fort-Mahon-Plage : 03 22 23 36 00 -Plage : 03 22 23 32 04 Larris 0 This leaflet 250was created by500 m www.office-tourisme-quend-plage.com Summer the Somme County Council • Syndicat mixte Baie de Somme - 43, rue de la République - 80026 Amiens cedex 1 Grand Littoral Picard : 03 22 20 60 30 Autumn 03 22 71 80 80 www.baiedesomme.org Tidal marsh • Somme Tourist Board: www.somme.fr www.somme-tourisme.com Winter www.somme-nature.com

BasWalk champs

Exploring the natural sites

Summer 2012 Summer Updates and printing: imp. Cg80 - Translation: C. Carnel - - Carnel C. Translation: - Cg80 imp. printing: and Updates Written by: Nathalie Saillard - Design: L’Agence par A Propos Propos A par L’Agence Design: - Saillard Nathalie by: Written 1 © C. Bazin © C. The Dune of Authie The trail through the Dune of Authie will allow you to discover a variety of areas inhabited by many different species. Who would have thought that the European Tree Frog would thrive here? Keep yours eyes open and prick up your ears because there are Marsh Orchid. Dragonflies thrive here as well, An Informative Route The plants grow according to and this indicates the quality of Because the dunes, and notably surprises around every corner on this walk. the rise and fall of the water the wet zones. the dune slacks, are fragile areas, level. Certain plants can Because they create a true oasis a discovery trail has been created to avoid unnecessary disturbance. disappear and then re-inhabit in the dunes, dune slacks are The trail has been equipped with the area several years later. wonderful places to observe Specific Wetlands interpretation panels, which enable the fauna. It is not rare to see visitors to learn about the whole area. M Kramer, Contrary to appearances these A Naturalist’s Dream a deer grazing or a grey heron Assistant Mayor of dunes are not dry areas. The dune slacks are a living on the lookout for a Natterjack Fort Mahon Plage They house temporary ponds, store cupboard; many species Toad, recognisable by the “The dunes of known as dune slacks, where find the necessary resources An Objective for Preservation yellow line which highlights its To reduce the progressive loss of the Authie make a a remarkable biodiversity to live and reproduce here. wonderful retreat backbone. dune slacks deforestation and clearing SMBS-GLP develops. These wet zones In the springtime, if you look © away from the came about during the 19th work has been carried out. Cleaning rapid pace and noise of the town. carefully you can see frogs, tiny the ponds has allowed different Knowing how to observe is a must; Century. They started as simple daphne and many species of species of plants to reappear as their everyday the light and atmosphere depressions on the foreshore, birds, like the Great Crested seeds are brought to the surface. is different. With a little patience covered by sea water during Each year, maintenance trimming is and quiet, sometimes deer can be Grebe, the Little Grebe, the high tides. Progressively Hermann - SMBS-GLP © N. carried out in order to maintain an seen…” thrushes or tits. belts of sand isolated the dune Grass of Parnassus open and natural habitat. slacks from marine intrusions. Now, these shallow marshes Varied Natural Habitats About the site are fed by rain falls and water During this visit you will rising from the water table. discover five restored dune > Proprietor: Conservatoire du Littoral This is why the dune slacks > Size: 162ha slacks well suited to many > Managed by: Syndicat Mixte Baie are often dry in the summer. species of animals and plants. de Somme-Grand Littoral Picard A perfect place for apprentice > Maintenance partners: nature guides to learn to Conservatoire botanique de Bailleul, recognise plants such as: Fort-Mahon-Plage Hunting Association, Marsh Pennywort, Various- Municipality of Fort-Mahon-Plage > Financial partners: leaved Pondweed, Grass of Somme County Council Parnassus, Water Mint and cer- © B. Blondel - SMBS-GLP © B. tain orchids, such as the Early Hermann - SMBS-GLP © N. View of the dune slacks Dragonfly