The Camping de la Plage de Cleut Rouz in Fouesnant is right beside the wild marshlands of Mousterlin. These are maritime marshes with protected flora and fauna.
The marshes are a wonderful site to visit. Comprised of canals; swamps, dunes and salt tides - Don't miss out on observing the flora and fauna in this ideallic and relaxing environment.
https://www.conservatoire-du-littoral.fr/siteLittoral/107/28-marais-de-mousterlin-29_finistere.htm