Caves São João produces wines from Bairrada, the Beiras region of central Portugal known for structured reds built on indigenous Baga. The winery's portfolio centers on this demanding variety—a grape that yields wines of dark fruit, firm tannin, and aging potential. The flagship 97 Anos de História, a pure Baga expression, demonstrates the variety's capacity for complexity and depth. A Bruto Rosé, also Baga-based, shows the grape's versatility across styles. The Quinta do Poço do Lobo Reserva blends Baga with Cabernet Sauvignon and Touriga Nacional, marrying regional identity with broader Portuguese tradition. These wines have been assessed by Wine Spectator, Wine Enthusiast, Wine Advocate, and Decanter. Bairrada's continental climate and schist-rich soils impose rigor on viticulture; the resulting wines tend toward precision and mineral character rather than immediate softness.