Katoomba is the chief town of the City of Blue Mountains in New South Wales, Australia and the administrative headquarters of Blue Mountains City Council. It lies at Lat: 33:42:41S (-33.7114) Lon: 150:18:14E (150.3039) elevation 1030 metres on the Great Western Highway 110 kilometres west of Sydney and is well known for spectacular mountain views and extensive bush and nature walks in the surrounding Blue Mountains range. Ka-toom-ba is Aboriginal for "shining falling water" and takes its name from a waterfall that drops into the Jamison Valley below the Harry's Ampitheatre escarpment.