Ogof Dwy Sir
Ogof Dwy Sir is a cave in Llanelly, Monmouthshire, Wales. Ogof Dwy Sir is situated nearby to the quarry Gilwern Hill Crag, as well as near Tyla Quarry.Places of Interest Nearby
Highlights include Gilwern Hill and Ogof Draenen.
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.
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 3,700 feet south of Ogof Dwy Sir.
Pwll Du Tunnel
Adit
Photo: Alan Bowring, CC BY-SA 2.0.
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. Pwll Du Tunnel is situated 4,100 feet south of Ogof Dwy Sir.
Places in the Area
Nearby places include Clydach and Pwll Du.
Clydach
Village
Photo: andy dolman, CC BY-SA 2.0.
Clydach is a village in Monmouthshire, Wales. Its nearest neighbours are the village of Gilwern and town of Abergavenny.
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.
Gilwern
Village
Photo: Stephen McKay, CC BY-SA 2.0.
Gilwern is a village within the Brecon Beacons National Park in Monmouthshire, Wales. Historically in Brecknockshire, it extends to either side of the River Clydach on the south side of the Usk valley.
Ogof Dwy Sir
- Type: Cave
- Category: landform
- Location: Llanelly, Monmouthshire, Wales, United Kingdom, Britain and Ireland, Europe
- View on OpenStreetMap
Latitude
51.80948° or 51° 48′ 34″ northLongitude
-3.0979° or 3° 5′ 52″ westOpen location code
9C3RRW52+QROpenStreetMap ID
node 11635792032OpenStreetMap feature
natural=cave_entrance
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Satellite Map
Discover Ogof Dwy Sir from above in high-definition satellite imagery.
Notable Places Nearby
Highlights include Gilwern Hill Crag and Gilwern Hill.
Nearby Places
Explore places such as Draen and Tyla Farm.
Wales: Must-Visit Destinations
Delve into Cardiff, Swansea, Llanfairpwllgwyngyll, and Newport.
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