Red Hill observatory Observatory Branch of Sydney Observatory built in 1890 on Red Hill at the corner of Beecroft and Pennant Hills Roads, Pennant Hills. The site is now known as Observatory Park. Locate To navigate, press the arrow keys. -33.740718954756, 151.06214544367 Type Observatory {"name":"Observatory","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}
