After seeing the sign in the village (even thats not that easy to find!), we got a rough idea of the hill these stones were on and headed in that direction. Light was fading fast so we opted against the long walk round that the visitor guide suggested and took a through-field short cut over a barbedwire fence (why do they insist on surrounding all these places in this stuff).
Well worth the scramble; the pink sky behind these beautiful stones made my day!