 Kedumba or Katta-toon-bah is an Aboriginal term for "shining falling water" or "water tumbling over hill" and takes its name from a waterfall that drops into the Jamison Valley below the Harrys Amphitheatre escarpment.Previously, the site was known as William's Chimney and Collett's Swamp.In 1874 the locality was named The Crushers after the name of the railway station that served a nearby quarry.