Tretower is a hamlet

Hamlet (place)

A hamlet is usually a rural settlement which is too small to be considered a village, though sometimes the word is used for a different sort of community. Historically, when a hamlet became large enough to justify building a church, it was then classified as a village...

 in the community

Community (Wales)

A community is a division of land in Wales that forms the lowest-tier of local government in Wales. Welsh communities are analogous to civil parishes in England....

 of Llanfihangel Cwmdu with Bwlch and Cathedine in the southern part of 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...

 in 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 lies on the A479 road within the Brecon Beacons National Park at the foot of the Black Mountains

Black Mountains, Wales

The Black Mountains are a group of hills spread across parts of Powys and Monmouthshire in southeast Wales, and extending across the national border into Herefordshire, England. They are the easternmost of the four ranges of hills that comprise the Brecon Beacons National Park, and are frequently...

 just off the Usk Valley

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...

. Tretower is frequented by tourists visiting the impressive Tretower Court

Tretower Court

Tretower Court is a medieval fortified manor house situated in the village of Tretower, near Crickhowell in modern day Powys, previously within the historical county of Breconshire or Brecknockshire.- Local & national importance :...

 and the nearby ruins of Tretower Castle

Tretower Castle

thumb|320px|right|Tretower CastleTretower castle is a castle in the village of Tretower in the county of Powys, Wales.-History:Tretower was founded as a motte and bailey castle. In the 12th century, a shell-keep was added to the motte. By c.1230 a tall cylindrical keep was added to the inside of...

, both of which are now owned and managed by Cadw

Cadw

-Conservation and Protection:Many of Wales's great castles and other monuments, such as bishop's palaces, historic houses, and ruined abbeys, are now in Cadw's care. Cadw does not own them but is responsible for their upkeep and for making them accessible to the public...

.

Tretower Church in the village is dedicated to St John the Evangelist. Though the site is ancient, the present church was completely re-built in 1876-77 after the earlier structure had fallen into disrepair.

The Green Man Festival

Green Man Festival

The Green Man Festival is an independent music festival held annually in the Brecon Beacons, Wales. It has evolved from a one-day, 300 capacity event in 2003, to a three-day festival with live music including psych, folk, indie, dance and Americana across five stages, as well as DJs playing...

 takes place annually in the grounds of Glanusk Park

Glanusk Park

Glanusk Park is an estate in Britain. It is situated near Crickhowell, Powys, within the historic boundaries of Brecknockshire. It was established in 1826 by a "retired" ironmaster, Sir Joseph Bailey. The park features in the hereditary title Baron Glanusk which was given to Sir Joseph's grandson,...

a mile to the south-east of the village.