24 Mount St. Louis Road,. R.R. 4, Coldwater, ON Moonstone St. Louis Loading Map.... 24 Mount St. Louis Road,. R.R. 4, Coldwater, ON Moonstone St. Louis24 Mount St. Louis Road - ColdwaterDetails 44.642899 -79.61217799999997 Address 24 Mount St. Louis Road Coldwater L0K 1E0