La llave de San Formerio Curiosity · Armiñón, Cuadrilla de Añana, Álava Image of Armiñón, not of the place itself. The parish priest of Estavillo keeps one of the six keys that guard the relics of San Formerio in a hermitage in neighbouring Condado de Treviño. Photo: Mentxuwiki (CC BY-SA 4.0) What to see and do in Armiñón