There are 2 places named Slack Lake in Canada.
All places in the world called "Slack Lake".
Wellington (4)
Windsor (4)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Borden (3)
Princeton (3)
Westport (3)
Abbotsford (2)
Bissett (2)
Charlottetown (2)
Delta (2)
Georgetown (2)
Kildonan (2)
Port Elgin (2)
Saint-Jacques (2)
Simpson (2)
Vernon (2)
Barrière (2)
Cadillac (2)
Cochrane (2)
Elmira (2)