Tower of el Mojón Monument · Siete Aguas, La Hoya de Buñol, Valencia Image of Siete Aguas, not of the place itself. The Torre del Mojón, also called Torre de la Contienda, is a Bien de Interés Cultural (Spain's highest level of heritage protection) formed by the remains of a watchtower or defensive tower situated on the historic border between Castile and the Kingdom of Valencia. It stands in the Mojón district, in the municipality of Siete Aguas (Valencia), a Spanish-speaking municipality in the Hoya de Buñol comarca. It holds a generic declaration as a bien de interés cultural, under registration number 46.18.229-002. Photo: Herbert wie (CC BY-SA 4.0) What to see and do in Siete Aguas