Château Sansonnet produces Saint-Émilion Grand Cru wines from the Libournais plateau, where clay and limestone soils shape the character of Merlot and Cabernet Franc. The winery's portfolio centers on three flagship expressions: Château Lasalle, Château Harmonie, and La Réserve—each a blend of the region's primary varieties. These wines have been assessed by Decanter, Falstaff, Wine Enthusiast, and Wine Advocate. Saint-Émilion Grand Cru demands structure and aging potential; the Merlot-led blends here reflect that discipline, with Cabernet Franc contributing aromatic lift and tannin backbone. The terroir of Saint-Émilion Grand Cru is among Bordeaux's most defined, and Château Sansonnet's releases demonstrate the precision required to navigate it.