Royal Canadian Henley Regatta 2015 Sunday, August 2, 2015 6:00 AM 06:00 Sunday, August 9, 2015 12:00 PM 12:00 Henley Island 72 Henley Island Drive St. Catharines , Ontario L2S 3P5 Canada (map) Google Calendar ICS Regatta Central - Royal Canadian Henley Regatta Info