Fortress Ridge Geological feature Ridge on Lycon Plateau which extends north west for about 3.2 kilometres from Mount Hay Range west of Flat Top to the Fortress. Locate To navigate, press the arrow keys. -33.653465815351, 150.36009199181 Type Geological feature {"name":"Geological feature","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}