Triangulation Pillar S4388: Hutton Mulgrave Moor 

Location
Grid reference: NZ 84201 08930.
Landranger 94: Whitby & Esk Dale, Robin Hood's Bay.
Waypoint: TP4089.
Neighbouring Triangulation Pillars
| S4389 | Barton Rigg 3.63km to the west. |
| S4395 | Sleights Moor 4.25km to the south. |
| S4322 | Potato Hill 4.74km to the north. |
| S4273 | Newton Mulgrave Moor 8.38km to the northwest. |
| S4387 | Brow Top 9.57km to the southeast. |
Third Geodetic Levelling, England & Wales (1950-68)
This triangulation pillar was used during the Third geodetic levelling, England & Wales. It was included on the Flamborough to Mickleby levelling line.