Port Dalhousie, Ontario
（重定向自Port Dalhousie）
![The historic lighthouse and pier](/Images/godic/202502/03/Port_Dalhousie_Lighthouse_Lake_Ontario_14551.jpg")
![Port Dalhousie, in relation to other nearby lakeports.](/Images/godic/202502/03/Ports_Colbourne,_Weller,_Maitland4551.PNG")
Port Dalhousie /dəˈluːzi/ is a community in St. Catharines, Ontario, Canada. It is known for its waterfront appeal. It is also home to the Royal Canadian Henley Regatta and is historically significant as the terminus for the first three (19th century) routes of the Welland Canal, built in 1820, 1845 and 1889.