Apr - Sept: 6 a.m. - midnight
Oct - Mar: 6 a.m. - 10 p.m.
Admission free.
Wikipedia https://zh.wikipedia.org/wiki/丽池公园
Official Tourism Website Madrid http://www.esmadrid.com/en/tourist-information/parque-del-retiro/
地址 1 Paseo del Duque Fernán Núñez, Madrid 28009, Spain
坐标 40°24'37.646" N -3°41'13.458" E