La Grée des Landes.
Owned by the Yves Rocher brand, this eco-designed retreat in the heart of Brittany is built entirely from natural materials like oak and shale. The architecture is low-profile, blending into ten hectares of wild greenery with living roofs and a water filtration garden. Guest rooms feel grounded and organic, featuring private terraces and chemical-free bedding, while the standout treehouse suite sits six meters up in a century-old oak tree. Wellness centers on a plant-based spa and an infinity pool overlooking the Aff valley. At the on-site restaurant, Les Jardins Sauvages, the menu follows a strict seasonal rhythm, sourced heavily from the property’s own organic vegetable patch. It is a quiet, purposeful destination where luxury is defined by biodiversity and silence.