Caves · South Wales
Cwm Dwr (OFD)
In or near Ystradfellte.
Cwm Dwr (OFD) is a cave in the United Kingdom.
John Jenkins — CC BY-SA 2.0 via Wikimedia Commons licence
Plan your visit
- Typical visit
- 45 min–1.5 h
- Free entry
- Dog-friendly
About
Cwm Dwr (OFD) is a named cave entrance in the United Kingdom. Coordinates: 51.8272°, -3.6595°. This entry is part of The Great Britain Guide, a free, ad-free, open-data tourist directory.
Photo gallery
Official information
Ogof Ffynnon Ddu, also known as OFD, is a significant cave system located in the Upper Swansea Valley of South Wales. It is the deepest cave in the UK and features a complex network of passages and chambers, showcasing unique geological formations and diverse underground wildlife.
Place summary
Cwm Dwr is a cave located in the parish of Tawe-Uchaf, South Wales, with the postcode SA9. This site features notable geological formations and is of interest to speleologists and those studying natural history.
AI-generated from the structured facts on this page (operator, designation, listing, era). Not a substitute for visiting.
- Coordinates
- 51.8272, -3.6595
- District
- Powys
- Parish
- Tawe-Uchaf
- Postcode
- SA9 1GQ
- Parliamentary constituency
- Brecon, Radnor and Cwm Tawe
Sources
- osm: n552317257 (ODbL)
Other places nearby
Ogof Ffynnon Ddu
Mountains & hills · 0.3 km
Penwyllt
Historic churches · 0.4 km
Ogof y nos hir, Ogof Ffynnon Ddu (OFD) top entrance
Caves · 0.7 km
Carreg Lwyd
Mountains & hills · 0.9 km
Ogof Ffynnon Ddu (OFD) bottom entrance
Caves · 1.0 km
Craig-y-Rhiwarth Hillfort
Vineyards · 1.1 km
Ogof Coed Cae
Caves · 1.2 km
Ogof-yr-Ardd
Caves · 1.2 km
Dan-Yr-Ogof Farm
Zoos & aquariums · 1.6 km
Brecon Beacons Camping & Caravan Park
Campsites · 1.7 km
Craig-y-Nos Castle
Castles · 1.7 km
Craig-y-Nos Castle
Castles · 1.7 km
Nearby
📷 5Mountains & hills · South Wales
Ogof Ffynnon Ddu
Ogof Ffynnon Ddu — cave in the Upper Swansea Valley in South Wales.
📷 5Historic churches · South Wales
Penwyllt
Penwyllt (Welsh: "wild headland") is a hamlet located in the upper Swansea Valley in Powys, Wales, lying within the Brecon Beacons National Park. A former quarrying village, quicklime and silica brick
📷 3Caves · South Wales
Ogof y nos hir, Ogof Ffynnon Ddu (OFD) top entrance
Ogof y nos hir, Ogof Ffynnon Ddu (OFD) top entrance is a cave in the United Kingdom.
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Ogof Ffynnon Ddu (OFD) bottom entrance
Ogof Ffynnon Ddu (OFD) bottom entrance is a cave in the United Kingdom.
📷 5Vineyards · South Wales
Craig-y-Rhiwarth Hillfort
Craig-y-Rhiwarth Hillfort — a UK vineyard in wales south, producing English or Welsh wine from cool-climate grape varieties.
Where to eat & stay near Cwm Dwr (OFD)
Places to stay
📷 5Campsites · South Wales
Brecon Beacons Camping & Caravan Park
Brecon Beacons Camping & Caravan Park — a campsite in wales south.
📷 5
📷 5Campsites · South Wales
Cae Glas Camping
Cae Glas Camping — a campsite in wales south.
📷 5Campsites · South Wales
Brecon Beacons Caravan Touring Park
Brecon Beacons Caravan Touring Park — a campsite in wales south.
📷 5
📷 5Places to eat & drink
📷 5
📷 7
📷 7Restaurants · South Wales
Chang Thai Cuisine
Chang Thai Cuisine — a restaurant in wales south.
📷 5More caves in this region
📷 3Caves · South Wales
Agen Allwedd (Ogof Gam)
Agen Allwedd (Ogof Gam) is a cave in the United Kingdom.
📷 3
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📷 3Frequently asked questions
- Where is Cwm Dwr (OFD)?
- Cwm Dwr (OFD) is in South Wales, United Kingdom (postcode SA9 1GQ), in the parish of Tawe-Uchaf.
- What is Cwm Dwr (OFD)?
- Cwm Dwr (OFD) is a cave in the United Kingdom.
- How do I get to Cwm Dwr (OFD)?
- The nearest town is Ystradfellte. Drivers can use postcode SA9 1GQ.
- Is Cwm Dwr (OFD) free to visit?
- Yes, Cwm Dwr (OFD) is free to enter.
- How do I get to Cwm Dwr (OFD)?
- Drivers can navigate to postcode SA9 1GQ. It sits within the Brecon, Radnor and Cwm Tawe parliamentary constituency.