There are 5 places named Blackstone Lake in Canada.
All places in the world called "Blackstone Lake".
Wellington (4)
Windsor (4)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Borden (3)
Princeton (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Beaver Crossing (2)
Campbellton (2)
Coronation (2)
Fauquier (2)
Herschel (2)
Lomond (2)
Newport (2)
Rosedale (2)
Seaforth (2)
Tiverton (2)
Whitney (2)
Albany (2)
Bon Accord (2)
Chatham (2)