Henllys Vale is located in the southern part of the Brecon Beacons National Park. The lime kilns and mines that are the cultural heritage of the area are located next to the Afon Twrch in the county of Carmarthenshire. The nearest settlements to the south of the vale are Ystradowen, Cwm Twrch and Cwmllynfell.

Please use these free resources to explore and learn about the area. You may also book a site visit with an education officer from the Brecon Beacons National Park Authority, please call 01874-620463 to do this. Visits available in both English and Welsh.