Eduardo Cardeal’s great challenge

Eduardo Cardeal was born in Abaços, a small village in the Douro Valley, where he learned the art of winemaking from his grandfather. As a child, he absorbed the traditions without fully understanding them. His grandfather used to say that the wine wasn’t “cooked” until April. Years later, while studying enology in college, he realized this phrase referred to the malolactic fermentation, the natural process through which lactic acid bacteria transform tart malic acid into softer lactic acid, reducing acidity, enhancing texture, and adding complexity to the wine.

We first met Eduardo in 2019, when he was the head enologist at Herdade da Calada. His life had been marked by tragedy—his wife had passed away, and he found himself raising their three young daughters alone. Seeking a fresh start, he returned to his roots in the Douro Valley and purchased Quinta da Peónia, a historic one-hectare vineyard planted in 1930. It is an estate with a human scale, allowing Eduardo, with the help of his daughters, to handle every step of production—from grafting vines to foot-treading grapes and bottling the wines.

He named this deeply personal project Grande Desafio, meaning “great challenge.” His goal is to create the ultimate handcrafted wines. In 2023, after years of dedication, Eduardo bottled his first vintage—5,000 precious bottles.

Perched on a plateau 550 meters above sea level, Quinta da Peónia is blessed with schist and clay soils. Unlike the famed, fast-draining schist of Foz Côa, Peónia’s porous schist retains water through the winter, naturally sustaining the vines during the dry summer months without irrigation. The altitude brings freshness, while the old vines add remarkable depth and complexity.

Eduardo’s winemaking philosophy focuses on low alcohol and minimal extraction, resulting in light, elegant wines that dance on the palate with remarkable finesse. These wines are rare finds—if you come across a bottle, take it home and treasure it.

Click here for the Grande Desafio website.