Extreme points of Wales

Middle Mouse (Ynys Badrig) as seen from Anglesey (Ynys Môn)

• Northernmost point – Middle Mouse, off Anglesey at 53°26′N 4°26′W
• Northernmost settlement – Llanlleiana, Anglesey at 53°25′N 4°25′W
• Southernmost point – Flat Holm, Cardiff, off Lavernock Point, Vale of Glamorgan at 51°22′N 3°7′W
• Southernmost settlement – Rhoose, Vale of Glamorgan at 51°23′N 3°20′W
• Westernmost point – The Smalls, Pembrokeshire
• Westernmost settlement – Treginnis, Pembrokeshire at 51°52′N 5°18′W
• Easternmost point – Lady Park Wood, near Monmouth, Monmouthshire at 51°49′N 2°39′W
• The easternmost point of North Wales is a section of Llangollen canal at 52°55'49.0"N 2°43'33.4"W
• Easternmost settlement – Chepstow, Monmouthshire at 51°37′N 2°39′W

Chepstow showing border

• Northernmost point – Point of Ayr, Flintshire at 53°21′N 3°19′W
• Northernmost settlement – Talacre, Flintshire at 53°21′N 3°19′W
• Southernmost point – Breaksea Point, Vale of Glamorgan at 51°22′N 3°24′W
• Southernmost settlement – Rhoose, Vale of Glamorgan at 51°23′N 3°20′W
• Westernmost point – Pen Dal-aderyn, Pembrokeshire at 51°51′N 5°19′W
• Westernmost settlement – Treginnis, Pembrokeshire at 51°52′N 5°18′W
• Easternmost point – Lady Park Wood, near Monmouth, Monmouthshire at 51°49′N 2°39′W
• Easternmost settlement – Chepstow, Monmouthshire at 51°37′N 2°39′W

The 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)[1]

Snowdon seen from Llyn Llydaw

• 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.

The largest natural lake in Wales is Bala Lake (Llyn Tegid). Llangorse Lake is second largest.

This is a table of the longest rivers in Wales.[2] Rivers only partly in Wales are included in this table in italics.

• Centre points of the United Kingdom
• Geography of Wales
• Extreme points of the British Isles