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.

Devil's Appendix
Nant Clogwyn y Geifr (Welsh)
Map
LocationSnowdonia, Wales
Coordinates53°06′35″N 4°02′07″W / 53.109835°N 4.035335°W / 53.109835; -4.035335
TypePlunge
Total height93 m (305 ft)
WatercourseAfon Ogwen tributary
The Devil's Appendix can be seen as a dark area to the right of the gorge on the right (Twll Du)

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]

References

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  1. ^ Wyn, Ieuan (24 June 2020). "Rhaid Gwarchod Enwau Lleoedd". Ogwen360. Retrieved 1 April 2021.
  2. ^ Paul Williams, Rock Climbing in Snowdonia, Frances Lincoln, 2006 ISBN 0-7112-2408-0
  3. ^ "Snowdonia". CavingUK. Retrieved 9 September 2009.