Festivities of Hoz de Jaca Activity · Hoz de Jaca, Alto Gállego, Huesca Image of Hoz de Jaca, not of the place itself. The festivities of Hoz de Jaca (Alto Gállego, Huesca) are held on 10, 11 and 12 August in honour of San Lorenzo, the secondary dedication of the parish of los Santos Reyes, a Baroque church of the 17th and 18th centuries. Photo: File:Les_plantes_cultivades._Cereals_(2008).djvu: Miquel Pujol Palol derivative work: Joancreus (talk) (CC BY-SA 3.0) What to see and do in Hoz de Jaca