Weir of the Tuéjar River Monument · Tuéjar, Los Serranos, Valencia The weir marks the source of the Tuéjar river, a tributary of the Turia, which gives its name to the site officially known as Nacimiento del Río Tuéjar, declared a natural site by decree of the Generalitat Valenciana in 2013. It lies near the foothills of the Javalambre massif, in one of the most rugged territories of the Comunidad Valenciana, and its surroundings, with crystal-clear waters and rugged terrain, are considered one of the most beautiful and best-preserved corners of the Los Serranos comarca. Owing to its rich flora, the area has also been declared a plant micro-reserve under the name Riberas del Río Tuéjar. Photo: Jose Maria Illueca (CC BY 2.5) What to see and do in Tuéjar