Margaret Street Sinkhole Investigation

City of Mount Gambier continues to investigate the sinkhole located in the walkway between Margaret Street and the Railway Lands that appeared after the bitumen collapsed at 7:10am on Sunday 25 June 2023 following heavy rain.

Initially, an excavator was used to remove the rubble in the sinkhole that measures 7 metres deep, 12 metres in length and 4 metres in width.

/Public Release. View in full here.