|Address:||Blackheath Ave, London SE10 8XJ, UK [map]|
0.9 km from Cutty Sark
1.0 km from Greenwich
1.4 km from Island Gardens
|Hours:||Daily 10am to 5pm|
Located on a hill in Greenwich Park, the Royal Observatory marks the position of the prime meridian and has played a major part in the history of astronomy.