Château Moulin des Tonnelles is an estate in the commune of Saint-Aignan in the Fronsadais on the right bank of the Bordeaux region. It produces red wines under the Fronsac AOC.

Owner: Jean-Pierre Artiguevieille. He also owns Château Moulin d’Houchat (which see), also in Saint-Aignan.

Vineyards: In the north of Saint-Aignan, partly on the limestone plateau (88 metres asl), the highest point of the Fronsadais. The other part of the estate faces south-east, on the same limestone but here with a layer of sandstone (‘gréseux).