Pwll Du Tunnel

The Pwll Du Tunnel was the longest horse-powered tramway tunnel to be built in Britain at 1,875 metres in length. It started in Blaenavon, Torfaen, Wales, and was originally a coal mine, running northward almost horizontally into a hillside.

Photo: Alan Bowring, CC BY-SA 2.0.

Type: Adit
Description: horse-drawn tramway tunnel at Blaenavon, Torfaen, Wales
Also known as: “Pwlldu Tunnel Eastern Portal”

Places of Interest Nearby

Highlights include Ogof Draenen and Gilwern Hill.

Ogof Draenen

Cave

Ogof Draenen entrance is located at Pwll Du, north of Blaenavon, Monmouthshire. At 66 kilometres it is the longest cave system in Wales and the second longest in Great Britain behind the Three Counties System on the Cumbria/Lancashire/Yorkshire border. Ogof Draenen is situated 550 feet north of Pwll Du Tunnel.

Gilwern Hill

Peak

Photo: Carol Rose, CC BY-SA 2.0.

Gilwern Hill is a 441 m high hill in the Brecon Beacons National Park, south of the village of Gilwern in Monmouthshire, Wales. It lies west of the Blorenge. The hill is a Site of Special Scientific Interest.

Keeper’s Pond

Lake

Photo: Wikimedia, CC BY-SA 2.0.

Keeper’s Pond is a lake.

Places in the Area

Nearby places include Pwll Du and Clydach.

Pwll Du

Locality

Photo: Trevor Rickard, CC BY-SA 2.0.

Pwll Du was a village in Monmouthshire, Wales. It was declared a slum in 1960 and demolished in 1963. The main employment was provided by nearby limestone quarries and by the iron works in Blaenavon.