This is a list of the extreme points and extreme elevations in Wales.
Main article: Centre points of the United Kingdom |
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 / 52.33021972°N 3.76640889°W; grid reference SN7972871704)[1]
Main article: List of mountains in Wales |
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.
See also: List of rivers of Wales |
The largest natural lake in Wales is Bala Lake (Llyn Tegid). Llangorse Lake is second largest by area.
The River Usk is the longest river to flow wholly within Wales. The table below lists Wales' longest rivers[2] including (in italics) those only partly in Wales.
River | Total length | Length in Wales | |||
---|---|---|---|---|---|
(miles) | (km) | (miles) | (km) | ||
1 | River Severn | 220 | 354 | 48[3] | 77 |
2 | River Wye[4] | 155 | 250 | ||
3 | River Teme[5] | 81 | 130 | 12 | 19 |
4 | River Usk[6] | 78 | 125 | 78 | 125 |
5 | River Teifi[7] | 76 | 122 | 76 | 122 |
6 | River Towy[8] | 75 | 120 | 75 | 120 |
7 | River Dee[9] | 70 | 112 | ||
8 | River Taff | 40 | 64 | 40 | 64 |