Devil's Appendix, Waterfall in Snowdonia National Park, Wales.
Devil's Appendix is a waterfall in Snowdonia that plunges straight down a rock face, dropping about 130 meters. The water falls in a narrow, continuous stream over dark stone.
The waterfall got its name from local mountaineers who compared its vertical drop to the shape of the human appendix. This unusual name came from those early observations by climbers.
Welsh mountaineers use the frozen waterfall surface during winter months for ice climbing training and competitions.
The waterfall flows most powerfully after heavy rainfall, with spring and autumn providing the best conditions. The best time to see its full force is following rain or wet weather.
When temperatures drop below freezing, the entire waterfall transforms into a vertical column of ice from top to bottom. This winter transformation becomes a destination for ice climbers from around the world.
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