Devil's Appendix
Waterfall in Snowdonia, Wales
53°06′35″N 4°02′07″W / 53.109835°N 4.035335°W / 53.109835; -4.035335![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Cwm_Idwal_and_Llyn_Idwal.jpg/260px-Cwm_Idwal_and_Llyn_Idwal.jpg)
The Devil's Appendix (Welsh: Nant Clogwyn y Geifr)[1] is the tallest single-drop waterfall in Wales and one of the tallest in the United Kingdom. It is a plunge style waterfall located on the Clogwyn y Geifr cliffs beside Twll Du in Cwm Idwal, Snowdonia, Wales.
It is formed where a small stream falls for approximately 305 feet (93 metres) to reach the slopes above Llyn Idwal.[2] Depending on flow and the ambient temperature, it can be either an ice climbing route, a single drop waterfall, or a broken waterfall.[3]
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Waterfalls of Wales
- Aber Falls
- Conwy Falls
- Devil's Appendix
- Fairy Falls, Trefriw
- Grey Mare's Tail, Llanrwst
- Horseshoe Falls
- Pistyll Rhaeadr
- Rhaeadr y Cwm
- Swallow Falls
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/36/Aber_Falls.jpg/100px-Aber_Falls.jpg)
- Dolgoch Falls
- Ffrwd Fawr Waterfall
- Mynach Falls
- Pistyll y Llyn
- Sgŵd Clun-gwyn
- Sgŵd Isaf Clun-gwyn
- Sgŵd y Pannwr
- Sgŵd yr Eira
- Henrhyd Falls
Rivers
Wales