"La Roche de Yonne" refers to Château Yonne-Pijac, a winery in Saint-Émilion that produces a red wine called La Roche de Yonne-Pijac. It is a Saint-Émilion Grand Cru wine, known for its black fruit aromas, spicy notes, and tannic structure. The vineyard enjoys a similar terroir to its famous neighbors, such as Château Pijac.