Parque Warner Madrid Entrance, San Martin de la Vega, Madrid, Spain Parque Warner Madrid is an amusement park initially opened under the management of the popular American Six Flags chain, with Time Warner holding a 5% stake. In 2004, Six Flags' management arrangement was terminated and the park is now run by Time Warner along with several Spanish investment groups. Parque Warner Madrid Entrance, San Martin de la Vega, Madrid, Spain Why didn't we read anything about Parque Wa