Neath is the location of the oldest known “modern day” UFO abduction catalogued case in the UK. Ronald Rhys was walking home from his work as a farm labourer when he spotted a “strange light” in a field. On investigating the light the next thing Ronald knew was that, he was floating in the air and after that , his memory is patchy….
A door in a tree, didn’t try and open it or knock, the resident probably gets enough humans bothering them. It could also be a portal.