Lyalls Mill is a predominantly forested rural locality of the Shire of Collie in the South West region of Western Australia.
The timber mill at Lyalls Mill was destroyed by fire for the first time in February 1918 and, again, on 12 March 1936, but rebuilt on both occasions.
Lyalls Mill is located on the traditional land of the Kaniyang and Wiilman people of the Noongar nation.
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