Brecon to Llandovery
Third geodetic levelling, England & Wales.
Geodetic line G067, levelled during 1954.
Levelling Route
 |
FBM | Brecon. |
605.1350ft |
SO 0513 2905 |
 |
915 | Brecon, St Mary's Church. |
- |
SO 0450 2852 |
 |
916 | Llanfaes, St. David's Church. |
- |
SO 0377 2831 |
 |
917 | Pen-isa'-r-pentre. |
- |
SO 0150 2840 |
 |
918 | Penwern. |
- |
SO 0050 2887 |
 |
919 | Aber-bran-fawr. |
- |
SN 9889 2894 |
 |
920 | Betws Penpont, Church. |
- |
SN 9727 2852 |
 |
921 | Cwm Camlais Bridge. |
- |
SN 9640 2890 |
 |
922 | Nant-y-gwreiddyn. |
- |
SN 9528 2912 |
 |
G2976 | SE face, S angle of outbuilding at Cwm-Wysg-Isaf, NE side of road |
- |
SN 9448 2951 |
 |
923 | Cwm-Wysg-uchaf. |
- |
SN 9289 2927 |
 |
924 | Sennybridge, Castle House. |
- |
SN 9202 2857 |
 |
925 | Ynys-yr-wyddfa. |
- |
SN 9116 2864 |
 |
927 | Graiggoch Farm. |
- |
SN 8996 2937 |
 |
BOLT | OSBM Bolt on brick surround of manhole, 4' E of hedge junction, 5' S from hedge, N side of road |
- |
SN 8892 2948 |
 |
929 | Trecastle, School. |
- |
SN 8788 2930 |
 |
930 | Llywel, Bridge. |
- |
SN 8698 2998 |
 |
931 | Maes-gwyn Cottage. |
- |
SN 8605 3027 |
 |
932 | By Bwllfa. |
- |
SN 8491 3181 |
 |
933 | Ynys-y-bont. |
- |
SN 8358 3263 |
 |
934 | Halfway, Bethesda Chapel. |
- |
SN 8306 3288 |
 |
935 | Pentrebach, School. |
- |
SN 8216 3346 |
 |
936 | Llwynwormwood Arms. |
- |
SN 8089 3413 |
 |
BOLT | OSBM Bolt on concrete block in bank, S side of road, 75' W from hedge junction |
- |
SN 7984 3531 |
 |
G2977 | SE face, S angle of outbuilding of Glan-Gwydderig, N side of road |
- |
SN 7862 3477 |
 |
938 | Pont Velindre. |
- |
SN 7787 3426 |
 |
939 | Troed-y-Bryn. |
- |
SN 7760 3331 |
 |
FBM | Llandovery. |
609.9160ft |
SN 7751 3270 |
This route is covered by Landranger sheets 146 and 160.
(interactive map)