View source for Devil's Appendix

{{Infobox waterfall
|name=Devil's Appendix
|county=Caernarfonshire
|picture=Cwm Idwal and Llyn Idwal.jpg
|picture caption=The Devil's Appendix in the Devil's Kitchen
|height=305 feet
|os grid ref=
|river=(Tributary stream of the Ogwen)
}}
The '''Devil's Appendix''' in [[Caernarfonshire]] is the tallest single-drop waterfall in the United Kingdom outside the [[Highlands]], one of the tallest in the United Kingdom in any case. It is a plunge style waterfall located on the Clogwyn y Geifr cliffs beside the [[Devil's Kitchen]] in [[Cwm Idwal]], within [[Snowdonia]]. It carries a tributary steam of the [[River Ogwen]].

The fall is formed where a small stream falls for approximately 305 feet to reach the slopes above [[Llyn Idwal]].<ref>Paul Williams, ''Rock Climbing in Snowdonia,'' Frances Lincoln, 2006 ISBN 0-7112-2408-0</ref> Depending on flow, it can be either an ice climbing route, a single drop waterfall, or a broken waterfall.<ref>{{cite web |title=Snowdonia |url=http://www.cavinguk.co.uk/holidays/Snowdonia2009/glyderau/ |work=CavingUK |accessdate=9 September 2009}}</ref>

==References==
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