Festival of o Queixo de San Simón da Costa Activity · Vilalba, Terra Chá, Lugo Image of Vilalba, not of the place itself. A fair that every April brings together in Vilalba the dairies covered by the San Simón da Costa designation of origin, with tastings, cuttings and direct sales of the distinctive birch-smoked cheese. Photo: José Antonio Gil Martínez from Vigo, Spain (CC BY 2.0) What to see and do in Vilalba