Fiestas de San Joaquín Curiosity · Fasnia, Tenerife - Abona, Santa Cruz de Tenerife Image of Fasnia, not of the place itself. The patronal festival of Fasnia in honour of San Joaquín, held in the third week of August; the municipality also celebrates its patroness, the Virgen del Rosario, in October. 18 de agosto Photo: Photograph by Mike Peel ( www.mikepeel.net ). (CC BY-SA 4.0) What to see and do in Fasnia