List of mountain passes of Wales

The following is a list of notable mountain passes in Wales:

Pass name Translation/alt. name Road number OS grid ref of summit Historic county Principal area National Park? Maximum Elevation(m) Notes
Aberglaslyn Pass A498 SHxxxxxx Caernarfonshire Gwynedd Snowdonia
Bwlch Cerrig Duon English: pass of the black stones minor road between Trecastle and Swansea Valley SN857227 Brecknockshire Powys Brecon Beacons
Bwlch ar y Fan a.k.a. the Gap Road restricted byway between Pontsticill and Brecon SO032205 Brecknockshire Powys Brecon Beacons
Bwlchgylfin B4418 between Rhyd Ddu and Dyffryn Nantlle SH555534 Caernarfonshire Gwynedd Snowdonia
Bwlch Oerddrws A470 between Dolgellau and Dinas Mawddwy SH802170 Merionethshire Gwynedd Snowdonia
Bwlch y Parc A494 between Mold and Vale of Clwyd SJ164582 Denbighshire Denbighshire through the Clwydian Range
Bwlch Penbarras a.k.a. 'Old Bwlch' minor road between Tafarn-y-Gelyn and Llanbedr-Dyffryn-Clwyd SJ162605 Denbighshire Denbighshire through the Clwydian Range
Bwlch-y-Ddeufaen Welsh: Pass of the Two Stones minor road/track between Abergwyngregyn and Vale of Conwy SH712718 Caernarfonshire Gwynedd Snowdonia
Crimea Pass Welsh: Bwlch y Gorddinan A470 SH699485 Caernarfonshire & Merionethshire Gwynedd Snowdonia
Bwlch y Groes minor road between Llanuwchllyn and Dinas Mawddwy SH913233 Merionethshire Gwynedd Snowdonia
Gospel Pass Welsh: Bwlch yr Efengyl minor road from Hay-on-Wye to Vale of Ewyas SO236352 Brecknockshire Powys Brecon Beacons 549m
Horseshoe Pass Welsh: Bwlch yr Oernant (Pass of the Cold Stream) A542 SJ195474 Denbighshire Denbighshire
Llanberis Pass Welsh: Bwlch Llanberis A4086 SHxxxxxx Caernarfonshire Gwynedd Snowdonia [1]
Milltir Cerrig English: Mile of Stones B4391 between Llangynog and Bala SJ 017305 Merionethshire Gwynedd Snowdonia
Nant Ffrancon Pass A5 between Bethesda, Gwynedd, and Llyn Ogwen in Conwy SNxxxxxx Caernarfonshire Gwynedd Snowdonia
Pengenffordd A470 between Talgarth and Vale of Usk SO173300 Brecknockshire Powys Brecon Beacons
Pen-y-Gwryd A4086/A498 SH659557 Caernarfonshire Gwynedd Snowdonia
Pen-y-Pass A4086 SH646556 Caernarfonshire Gwynedd Snowdonia [2]
Pen Rhiw-wen A4069 between Llangadog and Brynaman SN732184 Carmarthenshire Carmarthenshire Brecon Beacons
Storey Arms A470 between Brecon and Merthyr Tydfil SN983203 Brecknockshire Powys Brecon Beacons
Sychnant Pass Welsh: Bwlch Sychnant (Dry Stream Pass) minor road between Dwygyfylchi and Conwy SH750770 Caernarfonshire Conwy
Torpantau minor road from Talybont-on-Usk to Pontsticill SO052172 Brecknockshire Powys Brecon Beacons
Bwlch Bryn-rhudd A4067 SN870195 Brecknockshire Powys Brecon Beacons

References

Where not otherwise specified, much information is taken from 1:25,000 and 1:50,000 scale maps published by the Ordnance Survey.

  1. ↑ http://www.snowdoniaguide.com/llanberis_pass.html
  2. ↑ The mountains of England and Wales, Volume 1 Wales John and Ann Nuttal