La Forêt-Fouesnant is a commune in the Finistère department in Brittany in northwestern France. La Forêt-Fouesnant is bordered to the south …La Forêt-Fouesnant is a commune in the Finistère department in Brittany in northwestern France. La Forêt-Fouesnant is bordered to the south by the Baie de La Forêt. Inhabitants of La Forêt-Fouesnant are called Forestois.