river spanish pronunciation river spain tributary river watershed basin course river runs provinces length kilometres average flow rate cubic metres second varies seasons river flows generally north easterly direction source near valley historic route mediterranean coast roman bridges remain remains seen water generally good quality supports range wildlife cleaning works regional government criticised environmental organisations claim ecology damaged watershed covers area square kilometres course source disputed tradition holds rises base surrounded elliptical wall built italian engineer thought stretch river remains 18th century canal cut drain currently accepted raises kilometres town series ponds linked channels river flows northwards near joined tributary rises kilometres away point irrigation channel waters small valley near river flows north easterly direction past joins towns named river average flow rate cubic metres second seasonal variations long dry season wet seasons spring autumn annual rainfall watershed varies millimetres millimetres peak precipitation june watershed covers area square kilometres natural history series wells form pools connected small channels area rich wildlife including frequently visiting kilometres away willow trees plenty shelter water considered good condition according assessment del plan downstream valley includes eagles deer found sierra santa borders river found near banks trees include ash strongly condemned cleaning works regional government said systematically destroying vegetation killing fish ecology river reaches november investigation soil erosion basin announced intention determining suitable future land use strategies history past water mills powered river ruins remain valley ancient route coast roman bridges remain valley tributary tributary rises kilometres flows generally north east past los joining kilometres
Jiloca (river)