Black Mountain landslide

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The Black Mountain Road landslide is the biggest landslide on the Sunshine Coast in 30 years. Geotechnical assessments after the landslip determined much of the damage was below the surface, measuring as wide as a rugby league playing field and as deep as a five-storey building. Coming up with solutions to restore the area was complex and involved extensive geotechnical and engineering investigations.

The reconstruction will stabilise the road between depths between 5m to 25m across the 130m span and improve subsurface drainage. Early works began in late September 2023, with major construction starting in November. Construction is expected to finish in April 2025, weather and construction conditions permitting.


The Black Mountain Road landslide is the biggest landslide on the Sunshine Coast in 30 years. Geotechnical assessments after the landslip determined much of the damage was below the surface, measuring as wide as a rugby league playing field and as deep as a five-storey building. Coming up with solutions to restore the area was complex and involved extensive geotechnical and engineering investigations.

The reconstruction will stabilise the road between depths between 5m to 25m across the 130m span and improve subsurface drainage. Early works began in late September 2023, with major construction starting in November. Construction is expected to finish in April 2025, weather and construction conditions permitting.


  • Coffee on the Mountain for Black Mountain community

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    Black Mountain residents are invited upcoming Coffee on the Mountain events, which provide an opportunity to connect with your local community.


    Where - Near 718 Black Mountain Road, Black Mountain


    When -

    Saturday, 9 November 2024

    Saturday, 16 November 2024

    Saturday, 7 December 2024.


    Time - 7am to 9.30am.

    If you have any questions, please reach out to our Community Recovery and Resilience Officer, Ange, at angela.romanowski@noosa.qld.gov.au

  • Community Information Session fact sheets available online

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    Fact sheets and handouts from the Community Information Session held on Friday, 11 October 2024 are available online in the YourSay Project Library.

    These cover key topics such as waste management, emergency and disaster management, detour and road safety, and community recovery and resilience.

    If accessing the YourSay site from a desktop computer, the Project Library is in the sidebar on the right of the screen. If accessing the YourSay site from your mobile phone, scroll past the News Feed to the Project Library.

    For further information on these issues or anything else related to the Black Mountain Road reconstruction project, contact the project team via

    Email: disasterrecovery@noosa.qld.gov.au

    Phone: 5329 6500 – Council Customer Service.

  • Community support available for Black Mountain community

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    The Black Mountain community is reminded of the services available to support them during the reconstruction works.

    Information, support and referrals are available via Julia, a community support worker. Her many areas of expertise include providing support and advocacy navigating health and welfare systems and referrals to emergency relief and mental health support.

    If you would like to access this free service, drop in or book an appointment to see Julia during her weekly visits to Cooroy Library on Mondays between 9am and 1pm.

  • Black Mountain Road landslide - time lapse footage

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    Hazell Bros, construction contractors on the Black Mountain Road landslide, have compiled a time lapse video showing progress on site.

    It can be found on YouTube by visiting - Black Mountain Rd Landslide Remedial Works Timelapse (youtube.com).

  • Slate Creek Crossing flood monitor

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    Slate Creek Crossing flood monitor

    An upgraded sensor at the Slate Creek crossing on Andersons Road has been installed and is live. Council continues to monitor performance and calibrate as necessary.

    To access the real-time information about water levels visit the Noosa Council Disaster Dashboard - https://disaster.noosa.qld.gov.au/ - go to the "Emergency News" button.

    The website has also been upgraded so you no longer require a password to access this information.

  • Unauthorised access to construction site

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    The community is reminded that access to the Black Mountain Road landslip construction site is forbidden. This follows community feedback, as well security camera footage, that people have been trespassing out of work hours.

    The landslide area is a worksite that only authorised persons can enter. Conditions on the site are constantly changing, with multiple hazards and potential risks. You are risking your own safety and the safety of others when you enter this site.

    The site has 24/7 security camera and an audible alarm designed to remind people not to trespass. These measures were put in place to monitor construction and suspicious activity out of hours. In response to community complaints about the number of times this alarm sounded over the weekend, the alarm will be turned off. The security base station will continue to be advised when the site is accessed illegally, and the alarm will be reinstated if trespassing continues.

    Security measures and fencing are also going to be reviewed.

    Please note:

    • Any location beyond the fence is considered the worksite.
    • Signage on the fencing clearly specifies the restrictions.
    • Do not cross beyond the fence unless you are an authorised person.
    • More fencing may be put in place to deter those who plan to trespass.

    We ask for the community's co-operation with this important safety issue.

Page last updated: 31 Oct 2024, 03:40 PM