Greenwich Park is a former hunting park in Greenwich and one of the largest single green spaces in south-east London. One of the Royal Parks of London, and the first to be enclosed, it covers 74 hectares, and is part of the Greenwich World Heritage Site. Surrounding the hilltop Royal Observatory and straddling the Greenwich Prime Meridian, it comma…Greenwich Park is a former hunting park in Greenwich and one of the largest single green spaces in south-east London. One of the Royal Parks of London, and the first to be enclosed, it covers 74 hectares, and is part of the Greenwich World Heritage Site. Surrounding the hilltop Royal Observatory and straddling the Greenwich Prime Meridian, it commands elevated views over the River Thames, the Isle of Dogs and the City of London.