| Location | England LB Greenwich Greenwich (SE10) |
| Greenwich Park (adjacent Royal Observatory) | |
| Distance (N) from Greenwich | |
| OS map details | OS Explorer: 161 or 162 |
| OS grid ref | TQ 38882.77346 (538882,177346) |
| WGS84 lat/long | 51.478031, -0.001507 |
| Type | Ground (line) | Wall (line) | Sign on post(s) |
| Marking date | c. 1908 |
| Access | Restricted (park opening hours) |
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