Cattai National Park National Park National park north-west of Sydney on site of Thomas Arndell's farm. Locate -33.553943494524, 150.90559119912 Milestone Opened 1992 {"name":"Opened","target":"","target_text":null,"date":{"#markup":"<span class='date'>1992<\/span>"},"date_start":"1992","date_end":"1992"} Property Comprises Arndell's windmill {"name":"Part of","target":"Arndell's windmill","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Comprises Cattai Farm {"name":"Part of","target":"Cattai Farm","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Comprises Mitchell Park {"name":"Part of","target":"Mitchell Park","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Type National Park {"name":"National Park","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} image image