Gledhill Park Reserve Park or open space A reserve at the waters edge just off Beatty Street, Balgowlah Heights, adjacent to Reef Beach. Now incorporated into Sydney Harbour National Park.. Locate -33.807483628, 151.27345036697 Type Park or open space {"name":"Park or open space","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}