Cova da Beira wine Cova da Beira wine Cova da Beira is a Portuguese wine region centered on the Cova da Beira region between the Dão and Vinho Verde DOCs in the wider Beiras VR wine region. Cova da Beira was initially a separate "Indicação de Proveniencia Regulamentada" (IPR) region (and was the largest IPR in Portugal in terms of land planted with vines), but in 2005, it became one of three subregions of the Beira Interior DOC, which has the higher "Denominação de Origem Controlada" (DOC) status. Its name may still be indicated together with that of Beira Interior, as Beira Interior-Cova da
Madeira wine up large (112 gal/423 l) casks of wine known as "pipes" for their voyages to India. The intense heat in the holds of the ships had a transforming effect on the wine, as discovered by Madeira producers when one shipment was returned to the island after a long trip. The customer was found to prefer the taste of this style of wine, and Madeira labeled as "vinho da roda" (wines that have made a round trip) became very popular. Madeira producers found that aging the wine on long sea voyages was very costly, so began to develop methods on the