Hoyo de Manzanares Hoyo de Manzanares It has a stable population of roughly 7,457 residents (INE 2008), a statistic that has been increasing consistently from the economic crisis. The population also greatly increases during the summer as a result from various families who own summer houses in the area. This district of Madrid is found inside of the Parque Regional de la Cuenca Alta del Manzanares created by the community of Madrid in 1985. The Parque Regional de la Cuenca Alta del Manzanares is the oldest and most protected regional park in the community of Madrid. As a result, Hoyo de Manzanares is
Swan River (Western Australia) Swan River (Western Australia) The Swan River is a river in the south west of Western Australia. Its Aboriginal Noongar name is the Derbarl Yerrigan. The river runs through the metropolitan area of Perth, Western Australia's capital and largest city. The Swan River estuary flows through the city of Perth. Its lower reaches are relatively wide and deep, with few constrictions, while the upper reaches are usually quite narrow and shallow. The Swan River drains the Avon and coastal plain catchments, which have a total area of about . It has three major tributaries, the Avon River, Canning River and