Cabriel River in Alborea Nature · Alborea, La Manchuela, Albacete Image of Alborea, not of the place itself. The Cabriel, one of the cleanest rivers in Europe, marks the northern boundary of the municipal district with the Valencian Community. Its stretches, classified as trout waters, are home to rainbow trout, barbel, pike and eel. Photo: Malopez 21 (CC BY-SA 4.0) What to see and do in Alborea