Mount Colah Guide Hall Hall Hall used for the Girl Guide movement in Pierre Close, Mount Colah. Locate -33.671553054086, 151.11608377086 Milestone Destroyed 2004 {"name":"Destroyed","target":"","target_text":null,"date":{"#markup":"<span class='date'>2004<\/span>"},"date_start":"2004-01-01","date_end":"2004-01-01"} Constructed Replacement built 2010 {"name":"Constructed","target":"","target_text":"Replacement built","date":{"#markup":"<span class='date'>2010<\/span>"},"date_start":"2010-01-01","date_end":"2010-01-01"} Type Hall {"name":"Hall","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}