This is a list of the principal areas of Wales, ordered by their highest points.

Rank Principal area Peak Height
(metres) 		Grid reference
1 Gwynedd Snowdon 1085 SH609543
2 Conwy Carnedd Llewelyn 1064 SH683644
3 Powys Pen y Fan 886 SO011215
4 Denbighshire Cadair Berwyn 830 SJ071323
5 Wrexham Craig Berwyn 790 SJ077335
6 Carmarthenshire Fan Foel 781 SN821223
7 Ceredigion Plynlimon 752 SN789869
8 Monmouthshire Chwarel y Fan 679 SO259292
9 Neath Port Talbot Craig y Llyn 600 SN906031
10 Rhondda Cynon Taf Craig y Llyn (eastern slopes) c. 589 SN909031
11 Blaenau Gwent Coity Mountain 581 SO231079
12 Torfaen Coity Mountain (north-eastern slopes) c. 580 SO231080
13 Bridgend Mynydd Llangeinwyr 568 SS912947
14 Flintshire Moel Famau 554 SJ161626
15 Pembrokeshire Foel Cwmcerwyn 536 SN094311
16 Caerphilly Twyn Pwll Morlais (SE slopes) c. 535 SO082110
17 Merthyr Tydfil Twyn Pwll Morlais (southern slopes) c. 531 SO080110
18 Swansea Mynydd y Gwair 374 SN664094
19 Newport Wentwood 309 ST411942
20 Cardiff Garth Hill 307 ST103835
21 Isle of Anglesey Holyhead Mountain 220 SH218829
22 Vale of Glamorgan Unnamed hill SE of Pantylladron 137 ST036739

Notes

The highest points in the principal areas of both Torfaen and Rhondda Cynon Taf are not summits but locations high on hills, the summits of which are just west of the boundary in neighbouring principal areas. The highest points of the principal areas of Merthyr Tydfil and Caerphilly are not summits either but two locations near to each other on the southern slopes of a higher hill, Cefn yr Ystrad whose summit lies in the adjacent area of Powys.

References

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