The Bonfires of San Antón Activity · San Bartolomé de Pinares, Burgohondo - El Tiemblo - Cebreros, Ávila Every 17 January a score of bonfires are lit in the streets and more than a hundred horses cross them at a gallop. The custom is documented from the 18th century and was done to preserve the livestock from disease. Photo: Partido Animalista - PACMA - from España (CC BY-SA 2.0) What to see and do in San Bartolomé de Pinares