The Natural Reserve of the Hourtin Dunes and Marsh is an area of 2150ha, which presents all the ecosystems of the Aquitaine sandy coast: beaches, dunes, forest of pines and oaks, swamps and lake! - The management of this area is entrusted to the National Forestry whose personal undertake surveillance, scientific monitoring and public reception. - You can discover this site from various hiking trails, horseback or bicycle from Contaut, Piqueyrot and Hourtin beach. Note the Education Trail Lagoon Contaut where the visitor crosses the marsh on a beautiful wooden platform (accessible motor and visual disabilities). You may come across stealth otter, kingfisher too fast, but for sure, the majestic royal Osmunds await the wayside!