International Wine Challenge (IWC) is one of the most prestigious internationally. In this competition wines are evaluated on a blind tasting in which each winning wine is evaluted at leat in three different times. Quinta de Curvos won five medals: three Commended Medals for Curvos Colheita Selecionada, Superior e Alvarinho 2016, one Bronze Medal for Curvos Loureiro 2016 and one Silver Medal to Curvos Avesso 2016.