The Valley de los Ingenios is a remarkable testimony to the development of the sugar industry. Twelve kilometres northeast of Trinidad are three interconnected rural valleys – San Luis, Santa Rosa and Meyer – that make up the 225-km2 Valley de los Ingenios. AuthenticityTrinidad and the Valley de los Ingenios is authentic in terms of locations and settings, forms and designs, and materials and substances. In 1997, the Oficina del Conservador de la Ciudad de Trinidad y el Valle de los Ingenios was created to manage the property. In 1996, a team of professionals from different disciplines developed the Plan de Manejo de la Ciudad de Trinidad (Trinidad City Management Plan), and in 1999 the Esquema de Ordenamiento Territorial del Valle de los Ingenios (Outline Zoning Scheme for the Valle de los Ingenios) was prepared.