Home › Forums › Countries › Canada › Ottawa Macdonald-Cartier International Airport (YOW) › Reply To: Ottawa Macdonald-Cartier International Airport (YOW) February 26, 2019 at 3:21 pm #2867 HelpfulUp8DownNot Helpful Jill There is a water fountain with a water bottle filling station at gate 21. #PlasticFree @FlyYOW