There is one place named Knucklethumb Lake in Canada.
All places in the world called "Knucklethumb Lake".
Wellington (4)
Windsor (4)
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)
Milton (3)
Barrière (2)
Cadillac (2)
Cochrane (2)
Elmira (2)
Hampton (2)
Lindsay (2)
Nakina (2)
Saint Peters (2)
Sutton (2)
West Bay (2)
Cavendish (2)
Deer Lake (2)
Fredericton (2)
Kaslo (2)