Bolton has one. (It's natural). http://www.themodernantiquarian.com/post/10326

There's no sign of anything on top - a few things round the bottom though. The main 'temple' site was half a mile away at the angle the hill looks the best from. Certainly the feeling is that of nourishment and wonder - there's another in the South Tyne Valley - and all the stones refer to it.

ps wrot to Flynn - he got it yesterday.