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List of Highest Roads in Wales

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Sheep Feeding Layby - A4107-A4061 Top of Ogmore Valley - Coppermine - 23459.jpg
Hill pass on the A4107
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This page provides a list of the highest paved roads in Wales, split into two lists - the first being public roads maintained by a Highway Authority, and the second those private roads inaccessible to the general public in motor vehicles, although paved and drive-able.

This page may need updating or rewriting for the reason stated below. If you have the knowledge, please consider updating!
Incomplete List/Needs more references. Also see - Welsh Hill Passes; the information and detail on both pages needs to be combined into a single page


Public Roads

Rank Height (m) Height (ft) Name Between Road number County Road Type Notes OS grid reference
1 549 1,801 Gospel Pass Hay-on-Wye and Abergavenny unclassified Brecknockshire Pass Highest road in Wales SO236352
2 545 1,788 Bwlch y Groes Llanuwchllyn and Dinas Mawddwy unclassified Merionethshire Pass Highest road in North Wales SH913233
3 534 1,751 Bwlch y Cloddiau West of Llangurig and Afon Diliw unclassified Montgomeryshire Dead End

SN853782

4 531 1,742 Dol-y-Moch Bronaber and Llanuwchllyn unclassified Merionethshire Pass

SH784333

5 527 1,729 A4107 Abergwynfi and Treorchy A4107 Glamorgan Pass Highest A-Road in Wales SS920951
6 518 1,699 Llangynidr Mountain Beaufort and Llangynidr B4560 Brecknockshire Pass SO162159
=7 512 1,679 Blorenge Llanfoist and Blaenavon unclassified Monmouthshire Pass SO263107
=7 512 1,679 Rhiw Fawr Machynlleth and Staylittle unclassified Montgomeryshire Pass SN837955
9 507 1,663 Cwm Hirnant Lake Vyrnwy and Rhos-y-gwaliau unclassified Merionethshire / Montgomeryshire Pass SH946273
10 503 1,650 Rhigos Road Treherbert and Hirwaun A4061 Glamorgan Pass SN922028
11 493 1,617 Black Mountain Road Llangadog and Brynamman A4069 Carmarthenshire Pass SN730184
12 488 1,601 Penrhiw-wen Rhayader and Cwmystwyth unclassified Radnorshire Pass

SN920708

13 486 1,594 Milltir Cerrig Llangynog and Bala B4391 Merionethshire / Montgomeryshire Pass SJ017305
14 485 1,591 B4407 Llan Ffestiniog and Ysbyty Ifan B4407 Caernarfonshire / Merionethshire Pass SH760435

Private Roads

Rank Height (m) Height (ft) Name Between Road number County Road Type Notes OS grid reference
1 654 2,145 Marchlyn Mawr Surge Pond Deiniolen and Marchlyn Mawr unclassified Caernarfonshire Dead End Access road to surge pond SH600610
2 641 2,103 Marchlyn Mawr Dam Deiniolen and Marchlyn Mawr unclassified Caernarfonshire Dead End Access road to dam SH613620
3 555 1,820 Ffynnon Llugwy A5 East of Llyn Ogwen and Ffynnon Llugwy unclassified Caernarfonshire Dead End Access road to reservoir SH694623
4 502 1,646 Ffestiniog Power Station Tanygrisiau and Ffestiniog Power Station unclassified Merionethshire Dead End Access road to dam. SH666445

References


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