St Ives Boundary Tree Plant Red gum which marks the boundaries of the Parishes of Manly Cove, Broken Bay and Gordon. It is situated on the east side of Mona Vale Road near Richmond Avenue. Locate -33.709302466805, 151.17496490479 Type Plant {"name":"Plant","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} St Ives Boundary Tree by Zeny Edwards , 2008 A big tree in the 1880s when it was noted in a census of plants, the Boundary Tree still stands at Mona Vale Road, St Ives. more ยป