
Mountains over 2000 foot in height
There’s no official definition of a mountain, but in the UK it’s generally accepted that it’s any landform that rises to 2000 feet above sea level. To avoid including every minor bump on the hilltops, that then gets narrowed down by including only those that rise by a certain height above it’s surroundings.
John and Anne Nuttall suggested a height of 2000 feet, and a prominence of 50 feet (later converted to metric as 610 metres, and 15 metres) when publishing their two-volume book “The Mountains of England & Wales” in 1990. The original list has changed a number of times since then, as new technology became available and mountains could be measured more accurately, and currently there’s 188 ‘Nuttalls’ in Wales*, and 255 in England.
Other lists exist, using different definitions, the biggest rival being the Hewitts, which is based on a higher prominence, so narrows the 188 down to 136. It’s probably the Nuttalls’ excellent books, which describe how the 188 can be summitted in a number of walks (49 for Wales) that make their list the more popular of the two . Some people will find the walks demanding, and will want to break up the 49 walks into more manageable chunks, but even so, the books provide a great start point for that. They’ve become a bible for peak-baggers, and are highly recommended.
(*yes, there’s 188 not 189, despite what loads of Instagram posts might tell you! More on that below …)

The Welsh Nuttalls – a complete list
mountains over 610m (2000 foot)
The list is correct at the time of writing (September 2023) with the latest change being the deletion of Black Mountain South Top (SO267322) from the list in 2021, following re-measurement.
John and Anne Nuttall post any updates on this page : https://www.nuttalls.com/mountains/2000.htm
and the full list, with OS grid references, is on their site at :
https://www.nuttalls.com/mountains/wales.htm
They’re also on the Database of British and Irish Hills, the definitive list of hills and mountains in these islands, by every definition. That database contains 30 separate definitions & categories of hills & mountains at the last count.
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Y Carneddau
Carnedd Llewelyn 1064 m
Carnedd Dafydd 1044 m
Pen yr Ole Wen 978 m
Foel Grach 975 m
Yr Elen 962 m
Foel-fras 944 m
Carnedd Gwenllian [formerly named Garnedd Uchaf] 925 m
Llwytmor 849 m
Pen yr Helgi Du 833 m
Bera Bach 807 m
Foel Meirch 800 m
Pen Llithrig y Wrach 799 m
Bera Mawr 794 m
Drum 771 m
Drosgl 757 m
Craig Eigiau 735 m
Creigiau Gleision 678 m
Gyrn Wigau 643 m
Creigiau Gleision North Top 634 m
Pen y Castell 624 m
Craiglwyn 623 m
Tal y Fan 610 m
Y Glyderau
Glyder Fawr 1001 m
Glyder Fach 994 m
Castell y Gwynt 972 m
Y Garn 947 m
Elidir Fawr 924 m
Tryfan 918 m
Foel-goch 831 m
Carnedd y Filiast 821 m
Mynydd Perfedd 813 m
Y Foel Goch 805 m
Gallt yr Ogof 763 m
Carnedd y Filiast North Top (Y Fronllwyd) 720 m
Massif yr Wyddfa / Snowdon range
Yr Wyddfa – Snowdon 1085 m
Crib y Ddysgl (Garnedd Ugain) 1065 m
Crib Goch 923 m
Y Lliwedd 898 m
Y Lliwedd East Top 893 m
Lliwedd Bach 818 m
Yr Aran 747 m
Moel Eilio 726 m
Llechog 720 m
Moel Cynghorion 674 m
Foel Gron 629 m
Gallt y Wenallt 619 m
Moel Hebog
Moel Hebog 783 m
Craig Cwm Silyn 734 m
Trum y Ddysgl 709 m
Garnedd-goch 700 m
Mynydd Mawr 698 m
Mynydd Drws-y-coed 695 m
Moel yr Ogof 655 m
Mynydd Tal-y-mignedd 653 m
Moel Lefn 638 m
Y Garn 633 m
Mynydd Graig Goch 610 m
Moelwynion
Moel Siabod 872 m
Moelwyn Mawr 770 m
Moelwyn Bach 710 m
Allt Fawr 698 m
Cnicht 689 m
Craigysgafn 689 m
Cnicht North Top 688 m
Moel Druman 676 m
Ysgafell Wen 672 m
Ysgafell Wen North Top 669 m
Manod Mawr 661 m
Ysgafell Wen Far North Top 659 m
Manod Mawr North Top 658 m
Moel-yr-hydd 648 m
Moel Penamnen 628 m
Arenig
Arenig Fawr 854 m
Arenig Fawr South Top 835 m
Moel Llyfnant 751 m
Rhobell Fawr 734 m
Arenig Fawr South Ridge Top 712 m
Arenig Fach 689 m
Carnedd y Filiast 669 m
Dduallt 662 m
Waun Garnedd-y-Filiast 651 m
Carnedd Llechwedd-llyfn (Llechwedd-llyfn) 643 m
Gallt y Daren 619 m
Foel Boeth 615 m
Foel Goch 611 m
Berwyn
Cadair Berwyn 832 m
Cadair Berwyn North Top 827 m
Moel Sych 827 m
Cadair Bronwen 783 m
Tomle 741 m
Moel yr Ewig 695 m
Foel Wen 691 m
Foel Wen South Top 688 m
Mynydd Tarw 679 m
Godor 679 m
Godor North Top 675 m
Foel Cedig 667 m
Post Gwyn 665 m
Y Groes Fagl 659 m
Foel Cwm Sian Llwyd 648 m
Pen y Boncyn Trefeilw 646 m
Moel Fferna 630 m
Stac Rhos 630 m
Foel y Geifr 626 m
Pen Bwlch Llandrillo Top (Moel yr Henfaes) 621 m
Cefn Gwyntog 615 m
Foel Goch 613 m
Trum y Gwragedd 611 m
Aran
Aran Fawddwy 905 m
Aran Benllyn 885 m
Erw y Ddafad-ddu 872 m
Glasgwm 779 m
Foel Hafod-fynydd 689 m
Gwaun y Llwyni 685 m
Pen y Brynfforchog 685 m
Esgeiriau Gwynion (Foel Rhudd) 671 m
Foel Rhudd 659 m
Gwaun Lydan 632 m
Pen yr Allt Uchaf 630 m
Moel y Cerrig Duon 625 m
Waun Camddwr 622 m
Llechwedd Du 614 m
Rhinogydd
Y Llethr 756 m
Diffwys 750 m
Rhinog Fawr 720 m
Rhinog Fach 712 m
Crib-y-rhiw 681 m
Diffwys West Top 643 m
Y Garn 629 m
Moel Ysgyfarnogod 623 m
Foel Penolau 614 m
Cadair Idris
Cadair Idris (Penygadair) 893 m
Mynydd Moel 863 m
Cyfrwy 811 m
Craig Cwm Amarch 792 m
Gau Graig 684 m
Maesglase 679 m
Waun-oer 670 m
Tarren y Gesail 667 m
Craig-las [Tyrrau Mawr] 661 m
Cribin Fawr 659 m
Tarrenhendre 634 m
Craig-y-llyn 622 m
Elenydd / Mid Wales
Drygarn Fawr 645 m
Gorllwyn 613 m
Pumlumon Fawr (Plynlimon) 752 m
Pen Pumlumon Arwystli 741 m
Pen Pumlumon Llygad-bychan (Plynlimon East Top) 727 m
Y Garn (Drum Peithnant) 684 m
Pumlumon Fach 664 m
Pen y Garn 611 m
Great Rhos 660 m
Black Mixen 650 m
Bache Hill 610 m
Mynyddoedd Du
Waun Fach 811 m
Pen y Gadair Fawr 800 m
Pen Allt-mawr 720 m
Rhos Dirion 713 m
Black Mountain 704 m
Pen Cerrig-calch 701 m
Twmpa 690 m
Chwarel y Fan 679 m
Mynydd Llysiau 663 m
Pen Twyn Mawr 658 m
Pen Twyn Glas 646 m
Bannau Brycheiniog
Pen y Fan 886 m
Corn Du 873 m
Craig Gwaun Taf (Duwynt) 826 m
Fan Brycheiniog – Twr y Fan Foel 803 m
Cribyn 795 m
Waun Rydd 769 m
Fan Hir 760 m
Bwlch y Ddwyallt (Gwaun Cerrig Llwydion) 754 m
Bannau Sir Gaer – Picws Du 749 m
Fan Fawr 734 m
Fan Gyhirych 725 m
Fan y Big 717 m
Waun Lefrith 677 m
Fan Fraith 668 m
Fan Nedd 663 m
Allt Lwyd 653 m
Garreg Las (Twyn-Swnd) 635 m
Fan Llia 632 m
Fan Frynych 629 m
Craig Cerrig-gleisiad 629 m
Y Gyrn 619 m
Cefn yr Ystrad 619 m
Garreg Lwyd (Moel Gornach) 616 m

…. and when you’ve done all those, Myrddin Phillips who’s been responsible for re-measuring many of the Nuttalls, has now finished compiling Uchafion Cymru (Welsh Highlands) with co-author Aled Williams - a list of all the hills in Wales over 500m, with a drop of 15m or more. And he’s walked them all too!
There’s 630 of them, if you fancy it!