O. Fournier is a standout winery from Ribera del Duero, renowned for its rich, bold red wines. The main grape variety used is Tempranillo, producing expressive wines with deep flavors and smooth tannins. The winery emphasizes sustainable practices in its vineyards, which enhances the uniqueness of its wines. Notable labels include "Urban" and "Tributo," both celebrated for their exceptional quality. O. Fournier's commitment to excellence earned accolades from international wine competitions, marking it as a noteworthy presence in the global wine scene.