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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)


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