Fan Brycheiniog is the highest peak in the Black Mountain

Black Mountain (range)

The Black Mountain is a mountain range in Mid and West Wales, straddling the county boundary between Carmarthenshire and Powys and forming the westernmost range of the Brecon Beacons National Park. Its highest point is Fan Brycheiniog at 802 metres or 2,631 ft. The Black Mountain also forms a part...

 region of the Brecon Beacons

Brecon Beacons

The Brecon Beacons is a mountain range in South Wales. In a narrow sense, the name refers to the range of popular peaks south of Brecon, including South Wales' highest mountain, Pen y Fan, and which together form the central section of the Brecon Beacons National Park...

 National Park

National park

A national park is a reserve of natural, semi-natural, or developed land that a sovereign state declares or owns. Although individual nations designate their own national parks differently A national park is a reserve of natural, semi-natural, or developed land that a sovereign state declares or...

 in South Wales

South Wales

South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...

. It is just inside the county 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 also within the Fforest Fawr Geopark

Fforest Fawr Geopark

Fforest Fawr Geopark was the first Geopark to be designated in Wales having gained membership of both the European Geoparks Network and the UNESCO-assisted Global Network of National Geoparks in October 2005. The Geopark aims to promote and support sustainable tourism and other opportunities to...

 designated in 2005 in recognition of the area's geological heritage.

The Beacons Way, a waymarked long distance footpath forks near the mountain, with one option passing over the summit and along the long ridge, and the other option offering a lowland route passing beside the lake Llyn y Fan Fawr

Llyn y Fan Fawr

Llyn y Fan Fawr is a natural lake in the county of Powys, Wales. It lies at the foot of Fan Brycheiniog, the highest peak of the Black Mountain range within the Brecon Beacons National Park....

 to the east of the summit. This path leads to the mountain from 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....

 in the north-west and Glyntawe in the south-east.

In winter the mountain is spectacular and in summer provides great views.

North-west of the main summit is a slight rise called Fan Foel, which, at 781 m above sea level, is the highest point in the county of 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...

.