Festivities of Villanueva de Huerva Activity · Villanueva de Huerva, Campo de Cariñena, Zaragoza Image of Villanueva de Huerva, not of the place itself. Villanueva de Huerva has San Blas as its patron, celebrated on 3 February, although the main festivities were moved to the third Friday of August and last five days; the procession with the saint's 16th-century carving is the most moving act of the February feast. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Villanueva de Huerva