This is a list of the extreme points and extreme elevations in Wales.
Northernmost point – Middle Mouse, off Anglesey at 53°26′N 4°26′WNorthernmost settlement – Llanlleiana, Anglesey at 53°25′N 4°25′WSouthernmost point – Flat Holm, Cardiff, off Lavernock Point, Vale of Glamorgan at 51°22′N 3°7′WSouthernmost settlement – Rhoose, Vale of Glamorgan at 51°23′N 3°20′WWesternmost point – The Smalls, PembrokeshireWesternmost settlement – Treginnis, Pembrokeshire at 51°52′N 5°18′WEasternmost point – Lady Park Wood, near Monmouth, Monmouthshire at 51°49′N 2°39′WEasternmost settlement – Chepstow, Monmouthshire at 51°37′N 2°39′WWales (mainland)
Northernmost point – Point of Ayr, Flintshire at 53°21′N 3°19′WNorthernmost settlement – Talacre, Flintshire at 53°21′N 3°19′WSouthernmost point – Breaksea Point, Vale of Glamorgan at 51°22′N 3°24′WSouthernmost settlement – Rhoose, Vale of Glamorgan at 51°23′N 3°20′WWesternmost point – Pen Dal-aderyn, Pembrokeshire at 51°51′N 5°19′WWesternmost settlement – Treginnis, Pembrokeshire at 51°52′N 5°18′WEasternmost point – Lady Park Wood, near Monmouth, Monmouthshire at 51°49′N 2°39′WEasternmost settlement – Chepstow, Monmouthshire at 51°37′N 2°39′WThe centre point of Wales is dependent on whether only the mainland is used for calculation or outlying islands as well.
One centre point is calculated to be near Cwmystwyth, Devil's Bridge, Ceredigion (52°19′48.791″N 3°45′59.072″W; grid reference SN7972871704)
Wales: Snowdon (Yr Wyddfa) in Snowdonia (Eryri) - 1,085 m (3,560 ft)Many points are on, or near sea level, but due to high rainfall, there are no natural dry pieces of land below sea level - see rivers and lakes below.
Rivers and lakes
The largest natural lake in Wales is Llyn Tegid (Bala Lake). Llangorse Lake is second largest.
This is a table of the longest rivers in Wales. Rivers only partly in Wales are included in this table in italics.
