In the medieval town of Sancerre, a reborn château elevates the experience in one of France’s most storied wine regions.The lawn of Les Hauts de Sancerre, which functions like an outdoor gallery.Credit: Céline ClanetFrom left: Les Hauts de Sancerre at dusk; a sculpture in the 12-acre park surrounding Les Hauts de Sancerre.Credit: Céline ClanetIt was our first night at Les Hauts de Sancerre, a nine-room resort that opened in July 2025 on the east…