#9 Wine Spectator Top 10 Wine Values of 2023\n\nChateau de Saint Cosme is the leading estate of Gigondas and produces the benchmark wines of the appellation. The property has been in the hands of the Barruol family since 1490. Louis Barruol took over from his father in 1992 making a dramatic shift to quality and converting to biodynamics in 2010.