Park up the road, retrace your route back down to straight edged new forest. Located on west hand side at the top of the hill near the cow pen, the stones only just protrude above ground except one which is fairly big.
"Measures 20.1 by 18.9m Seven of a probable 12 original stones set in a circle 60 ft. in diameter remain. Four are still (1963) in situ, none protruding more than 2 ft above ground"
It's still marked on the map, so presumably it's still there.