At the age of just 12, By a strange twist of fate lasting some 6 weeks, I found myself living in a small village called LLandrillo.
It has the most sacred river of ancient times running through the middle of the village, The river Dee, plus 4 sacred sites,
2 of which are stone circles, and 2 that the church nicked and built their churches on them.
A little way into the mountain range from there, is Pistyll Rhaeadr. A place I vist frequently, especially in the winter months when there are no tourists and you can have the place to yourself.
http://www.pistyllrhaeadr.co.uk/celtic-mythology.html
Here's a video of the waterfall in action..
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Very few places touch me like this one does.
The mines that I visit at Bonwm, are located on top of the "Valley of the dead" where my mate gendalf lives, I found him that house about 20 years ago when he wanted to move from England. On the other side of the Valley is the Land of the Dead, this is where all the legends of "King" Arthur come from, as he lived there with his men. Not as exciting as the stories we are told, but VERY interesting non the less.
There is a stone on the side of the old courthouse in St Peter's square in Ruthin which has the mark of his sword, after he decapitated a man for having a brief affair with his wife.

This was one of only 4 buildings left standing in Ruthin, when Owain Glyndwr went on that rampage after the English "Lord of Ruthin" stole some of his land, and his men had been treating the Welsh people so vey badly.
Owain Glyndwr lived just down the road from my mate, the Welsh "William Wallace" who very nearly defeated the English back in the early 15th century, but you dont get to hear much of him, as schools generally dont teach you that stuff. Here's his sculture in Corwen.

Although not in the Berwyn Mountian range, I enjoy the walk to Moel Famaue. It is a very easy walk from the car park, and there is a ley line running through the summit from Rollrights King Stone in Oxfordshire that terminates in Castletown in the Isle Of Man.
That's the Jubilee Tower on the summit. IIRC, it blew down in a massive storm in february 1865 ?
If you ever get the chance to visit, These places and more are well worth the trip.
One day, I may tell more about my brief time in the Village, but isn't it strange how things work out in life ? mixing Ancient places with events that are yet to happen, out of this world.. ?? Literally..