​COOLGARDIE, a municipal town in Western Australia, 310 m. by rail E. by N. of Perth, and 528 m. by rail N.E. of ​Albany. Pop. (1901) 4249. Its gold-fields were discovered in 1891 and are among the richest in the colony. Lignite, copper, graphite and silver are also found. Toorak and Montana are small residential suburbs. A remarkable engineering work by which a full supply of water was brought to the town from Fremantle (a distance exceeding 330 m. direct) was completed in 1903.