Situated on the summit of Montpellier Hill,  at 1275 feet above sea level and overlooking the city of Dublin with panoramic views of the surrounding countryside, there resides the ruins of an old hunting lodge from the 18^th century. Is this one of the most terrifying places in Ireland? Well on paper it sure looks like to be. Some terrible deeds have occurred here over the years and it soon became known as the ‘Hell Fire Club’, Named after a bunch of rather unsavoury masonic characters whom set up their headquarters there. But to tell the full story, we must journey back to the prehistory of ancient Ireland. The Hill was once the home to what I believe was an important ancient Burial site. There was not one but two Cairns, (4500 – 2000 BC) that once stood on the hill. The first located roughly where the OS trig point…