Château d'Agassac is a historic 11th-century winery estate in Ludon-Médoc, approximately 15 minutes from Bordeaux, with Latin inscriptions in its underground chambers confirming early medieval construction. The château produces multiple wine lines while emphasizing sustainable viticulture practices certified through Terra Vitis and Haute Valeur Environnementale standards. Visitors experience guided vineyard tours, themed tastings, interactive activities including iPad-guided treasure hunts, and dining at La Table restaurant, while the estate also welcomes weddings, seminars, and corporate events throughout the year.