Its very straightforward Tim, once you have found the right place down some little lanes. Park up and its then just a hundred yards or so inside the field. But do go to Tinkinswood as well, and while there check out all the other bits and pieces of megalithic remains as well, theres a couple of other burial chambers, a possible stone avenue and the ancient quarry frm where the massive capstones were taken to be seen as well as the main event, assuming its all still accessible since some of the land was recently sold off.
Something is not right. This message is just to keep things from messing up down the road