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San Casiano Fiesta of Las Galletas
Rip-roaring town Fiestas.
Tenerife Las Galletas Tenerife https://www.myguidetenerife.com/events/san-casiano-fiesta-of-las-galletas VISIT WEBSITE
Las Fiestas de San Casiano are celebrated in the seaside town of Las Galletas where the town comes to life with music and merry-making, culminating on Sunday 20th August with a procession of the virgin, fireworks and dancing until late into the night.
See here for full programme: http://www.arona.org/portal/fact_d4_v1.jsp?contenido=79434&nivel=1400&tipo=2