Was once known as the Big Lagoon.Lake Ainsworth
located in NSW
is designated as a Lagoon. The LGA
in Lake Ainsworth is Ballina
. Freshwater Lagoon north of the village of Lennox Head. Its Origins are Named after James Ainsworth. In 1847 Captain Thomas Ainsworth and his family arrived on his ship the Matilda Ann to settle on the North Head of Ballina. James Ainsworth his son was a well known dealer in cedar in the Richmond River region. (Rich. Twd. Reg. Lib. & R. Hist. Soc. 1983).History Was once known as the Big Lagoon.