Festivities of Llucena Activity · Llucena, L'Alcalatén, Castellón Image of Llucena, not of the place itself. Llucena celebrates its patronal festival in late September and early October (always between 29 September and 1 October), in honour of San Miguel and San Hermolao, the town's patron saints. Photo: Joseaperez (Wikimedia Commons) (CC BY-SA 3.0) What to see and do in Llucena