Glasfynydd Forest is an extensive area of coniferous plantations in the west of the Brecon Beacons National Park in south Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

. It straddles the border between the counties of Powys

Powys

Powys is a local-government county and preserved county in Wales.-Geography:Powys covers the historic counties of Montgomeryshire and Radnorshire, most of Brecknockshire , and a small part of Denbighshire — an area of 5,179 km², making it the largest county in Wales by land area.It is...

 and Carmarthenshire

Carmarthenshire

Carmarthenshire is a unitary authority in the south west of Wales and one of thirteen historic counties. It is the 3rd largest in Wales. Its three largest towns are Llanelli, Carmarthen and Ammanford...

.

The forest is divided into three blocks, the northernmost of which (51.945°N 3.726°W) encircles the Usk Reservoir

Usk Reservoir

The Usk Reservoir is located in the upper Usk Valley, at above sea level, in Carmarthenshire, south Wales.The reservoir is situated in part of the Brecon Beacons National Park.Completed in 1955, it now covers some of land...

 near the head of the River Usk

River Usk

The River Usk rises on the northern slopes of the Black Mountain of mid-Wales, in the easternmost part of the Brecon Beacons National Park. Initially it flows north into Usk Reservoir, then east by Sennybridge to Brecon before turning southeast to flow by Talybont-on-Usk, Crickhowell and...

. The southernmost (51.908°N 3.662°W) is the largest block and occupies the ground south of the Usk valley and to the west of Crai

Crai

Crai is a hamlet in the Brecon Beacons National Park in the county of Powys, south Wales. It gives its name to the community within which are the hamlet of Felin-Crai and a large number of dispersed farms around the valley of the Afon Crai. The river is dammed 2km / 1.5mi southwest of the village...

 which rises to Moel Feity. The smaller central block (51.927°N 3.701°W) lies to the south of the minor road between Trecastle

Trecastle

Trecastle is a village in Powys, Wales, on the edge of the Brecon Beacons National Park.Trecastle is named after an early 12th century motte-and-bailey fortification , built by Bernard de Neufmarche and designed to protect Brecon from attack from the west...

 and Llanddeusant

Llanddeusant, Carmarthenshire

Llanddeusant is a community in the Black Mountain region of the Brecon Beacons National Park in Carmarthenshire, Wales. It is about 5 miles southeast of Llangadog....

 at Mynydd Wysg. Car parking and picnic facilities have been put in place by the Forestry Commission

Forestry Commission

The Forestry Commission is a non-ministerial government department responsible for forestry in Great Britain. Its mission is to protect and expand Britain's forests and woodlands and increase their value to society and the environment....

 at Pont'ar Wysg on this road. Similar facilities exist at the northern end of the Usk Reservoir dam on land owned by Welsh Water

Welsh Water

Dŵr Cymru Welsh Water is a company which supplies drinking water and wastewater services to most of Wales and parts of western England.It is regulated under the Water Industry Act 1991.-History:...

and managed on its behalf by the Forestry Commission.

External links

• Images of Glasfynydd Forest and surrounding area on Geograph website