Hermit in the diocese of Jaca, Aragonese Pyrenees (in modern Spain). His cell was under a huge rock on which the Benedictine abbey of San Juan de Peña, a cradle of Christianity in Navarre and Aragon, was later built.
- c.750 of natural causes
- “Saint John de Atarés“. Saints.SQPN.com. 2 December 2014. Web. 27 January 2015. <>