Herefordshire Worcestershire and Warwickshire" NUTS 2 region. The River Wye, which at is the fifth-longest in the United Kingdom, enters the county after briefly being its border with Powys. It flows through both Hereford and Ross-on-Wye before returning to Wales. Leominster is situated on the River Lugg, a tributary of the Wye. There are two Areas of Outstanding Natural Beauty in the county. The Wye Valley is located in the river's valleys south of Hereford, while the Malvern Hills are in the east of the county, along its border with Worcestershire. Herefordshire is one of the 39 historic counties of England.
Afon Llynfi (Wye) lake deposits beneath and around Llangorse Lake. Afon Llynfi (Wye) The Afon Llynfi is a short river in the county of Powys, south Wales. A tributary of the River Wye, it runs approximately south to north just to the west of the Black Mountains and partly within the Brecon Beacons National Park. The river rises as a small stream to the west of the village of Bwlch and flows north for 2 miles into Llangorse Lake. It leaves the lake just to the southwest of the village of Llangors and follows a course past the hamlets of Trefecca and Tredustan,