Louisdale (pronounced Lewisdale)[1] is an unincorporated area within the Municipality of the County of Richmond, Nova Scotia, Canada.

Early 19th century migrants to Richmond were mainly Scottish settlers, with fishing and farming important parts of the economy.

[4] A barachois is a term used in Atlantic Canada to describe a coastal lagoon separated from the ocean by a sand bar.

The 2009 Junior High Literary Assessment results show that of 71 students, 90 and 93% met expectations for reading and writing, respectively.

[11][12][13] The community lies in a district identified by Nova Scotia Museum of Natural History geomorphologists as an area of Sedimentary Lowland within the larger Atlantic Coast Region.

[14] These characteristics contributed to Cape Breton Island's richer freshwater habitats and areas of natural beauty.

[16] Louisdale's conservation areas and park are recognised among Sites of Special Interest by the Natural History Museum.

[15] A habitat for wildlife, Louisdale is the site of the first record in Maritime Canada of a species of winged ground beetle, Agonum crenistriatum.