| 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 |
SH595465 |
Caernarfonshire |
Gwynedd |
Snowdonia |
|
|
| Bwlch Bryn-rhudd |
English: pass of the crimson hill |
A4067 between Defynnog and Abercraf |
SN870219 |
Brecknockshire |
Powys |
Brecon Beacons |
|
|
| Bwlch Cerrig Duon |
English: pass of the black stones |
minor road between Trecastle and Swansea Valley |
SN857227 |
Brecknockshire |
Powys |
Brecon Beacons |
369m |
|
| Bwlch y Cloddiau |
a.k.a. 'the Mohican Road' |
right of way between Llangurig and Cwmystwyth |
SN854782 |
Montgomeryshire |
Powys |
|
533m |
Right of way. Eastern approach paved road; western approach largely unpaved. |
| Bwlch y Fedwen |
|
A458 between Mallwyd and Llangadfan |
SH752135 |
Montgomeryshire |
Powys |
|
|
|
| Bwlch Esgair Gelli |
|
road between Abergwesyn and Tregaron |
SN784576 |
Cardiganshire |
Ceredigion |
|
472m |
|
| Bwlch ar y Fan |
a.k.a. the Gap Road |
restricted byway between Pontsticill and Brecon |
SO032205 |
Brecknockshire |
Powys |
Brecon Beacons |
599m |
Rocky track over the pass. |
| Bwlchgylfin |
|
B4418 between Rhyd Ddu and Dyffryn Nantlle |
SH555534 |
Caernarfonshire |
Gwynedd |
Snowdonia |
236m |
|
| Bwlch Llyn Bach |
English: pass of the small lake |
A487 between Dolgellau and Corris |
SH752135 |
Merionethshire |
Gwynedd |
Snowdonia |
285m |
|
| Bwlch Oerddrws |
|
A470 between Dolgellau and Dinas Mawddwy |
SH802170 |
Merionethshire |
Gwynedd |
Snowdonia |
363m |
|
| Bwlch y Parc |
|
A494 between Mold and Vale of Clwyd |
SJ164582 |
Denbighshire |
Denbighshire |
|
291m |
through the Clwydian Range |
| Bwlch Penbarras |
a.k.a. 'Old Bwlch' |
minor road between Tafarn-y-Gelyn and Llanbedr-Dyffryn-Clwyd |
SJ162605 |
Denbighshire |
Denbighshire |
|
362m |
through the Clwydian Range |
| Bwlch Pen-y-feidiog |
a.k.a. 'The Gated Road' |
minor road between Llanuwchllyn and Bronaber |
SH784333 |
Merionethshire |
Gwynedd |
Snowdonia |
531m |
|
| Bwlch-y-Ddeufaen |
English translation: pass of the two stones |
minor road/track between Abergwyngregyn and Vale of Conwy |
SH712718 |
Caernarfonshire |
Gwynedd |
Snowdonia |
429m |
|
| Crimea Pass |
Welsh: Bwlch y Gorddinan |
A470 |
SH699485 |
Caernarfonshire & Merionethshire |
Gwynedd |
Snowdonia |
385m |
|
| Bwlch y Groes |
English translation: pass of the cross
Commonly known as Hellfire Pass |
minor road between Llanuwchllyn and Dinas Mawddwy |
SH913233 |
Merionethshire |
Gwynedd |
Snowdonia |
545m |
Highest paved pass in North Wales. |
| Gospel Pass |
Welsh: Bwlch yr Efengyl |
minor road from Hay-on-Wye to Vale of Ewyas |
SO236352 |
Brecknockshire |
Powys |
Brecon Beacons |
549m |
Highest paved pass in Wales. |
| Horseshoe Pass |
Welsh: Bwlch yr Oernant (pass of the cold stream) |
A542 |
SJ195474 |
Denbighshire |
Denbighshire |
|
417m |
|
| Milltir Gerrig |
English translation: mile of stones |
B4391 between Llangynog and Bala |
SJ 017305 |
Merionethshire |
Gwynedd |
Snowdonia |
486m |
|
| Nant Ffrancon Pass |
|
A5 between Bethesda, Gwynedd, and Llyn Ogwen in Conwy |
SN649605 |
Caernarfonshire |
Gwynedd |
Snowdonia |
312m |
|
| Pengenffordd |
|
A470 between Talgarth and Vale of Usk |
SO173300 |
Brecknockshire |
Powys |
Brecon Beacons |
|
|
| Pen-y-Pass |
English: Llanberis Pass |
A4086 |
SH646556 |
Caernarfonshire |
Gwynedd |
Snowdonia |
359m |
[1] |
| Pen Rhiw-wen |
|
A4069 between Llangadog and Brynaman |
SN732184 |
Carmarthenshire |
Carmarthenshire |
Brecon Beacons |
|
|
| Rhiw Fawr |
English: Forge Road |
minor road between Machynlleth and Staylittle |
SN837884 |
Montgomeryshire |
Powys |
|
509m |
|
| Pen Bwlch Llandrillo |
|
Drovers road between Llanarmon Dyffryn-Ceiriog and Llandrillo/Cynwyd |
SJ091365 |
Merionethshire |
Denbighshire |
|
580m |
Unpaved drovers road over the pass. |
| Storey Arms |
|
A470 between Brecon and Merthyr Tydfil |
SN983203 |
Brecknockshire |
Powys |
Brecon Beacons |
435m |
|
| Sychnant Pass |
Welsh: Bwlch Sychnant (dry stream pass) |
minor road between Dwygyfylchi and Conwy |
SH750770 |
Caernarfonshire |
Conwy |
|
158m |
|
| Torpantau |
|
minor road from Talybont-on-Usk to Pontsticill |
SO052172 |
Brecknockshire |
Powys |
Brecon Beacons |
|
|
| Bwlch Bryn-rhudd |
|
A4067 |
SN870195 |
Brecknockshire |
Powys |
Brecon Beacons |
|
|