Mount Colah Suburb Far northern residential suburb, bordered to the east by Ku-ring-gai Chase National Park. Its name of believed to come from an Aboriginal word meaning 'koala'. Locate -33.654673435055, 151.12589174724 Property Administered by Hornsby Shire Council {"name":"Administered by","target":"Hornsby Shire Council","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Part of Hornsby Shire {"name":"Part of","target":"Hornsby Shire","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Type Suburb {"name":"Suburb","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Mount Colah by Joan Rowland , 2008 Mining and farming were early industries, but suburban development in Mount Colah came with the building of a Housing Commission estate in the 1960s. more »