Spring of Mes Amunt de Les Useres Nature · Les Useres, L'Alcalatén, Castellón Image of Les Useres, not of the place itself. Recreational spring of Les Useres, with picnic areas and a source of abundant flow all year round, one of the most visited among the many springs of the district, a network that also includes the Font de la Ponsa, the Font de les Murtes, La Presola and La Font Jordana. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Les Useres