Newlyn (Tolcarne) to Observatory
Second geodetic levelling, England & Wales.
Geodetic line, levelled between May 1915 and January 1916.
Levelling Route
| FBM | Tolcarne. | 94.6290ft | SW 4614 2918 | |
| 1574 | Flush Bracket on Methodist Chapel, Jack Lane. | 48.0390ft | SW 4618 2883 | |
| 1575 | Flush Bracket on S.E. angle of Newlyn School. | 224.8330ft | SW 4604 2840 | |
| 1520 | Flush Bracket on the face of wall, Shore end, South Pier. | 17.4220ft | SW 4659 2841 | |
| 1565 | Flush Bracket on face of wall, South Pier. | 17.3230ft | SW 4673 2851 | |
| TIDAL | Observatory B.M. | 15.5880ft | SW 4676 2855 |
This route is covered by Landranger sheet 203. (interactive map)