Coastal Erosion & Inundation

Coastal erosion is by far the most complex issue that the Shire of Gingin has to address. Rising sea levels mean that not only is the Shire's coastline being affected, but so are coastlines worldwide. Consequently direction on this matter cannot only come from Council but must also come from the State Government. 

The following information is updated from time to time as new information becomes available. If you cannot find the information you are seeking below then please contact the Shire on (08) 9575 5100. You will then be directed to an appropriate officer who can answer your queries.

Click on one of the below tabs to expand it and read further information. 

Community Consultation

Coastal erosion is the most significant issue facing Council and residents of the Shire of Gingin. Council and staff will continue to work in partnership with the community to research, plan and put in action those plans to deal with this issue. 

Our Coast, Our Journey - CHRMAP Review

Documents & Studies

The Shire of Gingin has undertaken a number of studies and research documents at the behest of the State Government to better understand our coastline and the current and potential impacts of Coastal Erosion. 

Coastal Hazard Risk Management and Adaptation Plan

The Shire of Gingin is preparing for the threats of climate change and sea level rise to the coastal settlements of Guilderton, Seabird, Ledge Point and Lancelin. The Coastal Hazard Risk Management and Adaptation Plan (CHRMAP) has been prepared to provide a long term view of the potential future coastal erosion impacts to the coastal townships and provide possible strategies to adapt to the changing oceanic and coastal conditions. 

The development of the CHRMAP has followed the requirements of State Planning Policy 2.6: State Coastal Planning Policy and supporting guideline documents.

Coastal Hazard Risk Management and Adaption Plan


Important Information

The Shire of Gingin provides information about coastal hazard risk management and adaptation planning as a service to the community. This information is prepared in accordance with State Planning Policy 2.6 (State Coastal Planning Policy) and other relevant legislation. The methodology adopted and sources of information used by the Shire have been prepared by qualified coastal engineers, reviewed by State government agencies and can be sourced from the Shire.

Users of the information provided in this document (the CHRMAP) accept the following conditions:

Accuracy of Information

This information has been prepared using generally accepted practices, standards, available resources and best information available at the time it was prepared. Users of this information should consider whether they need to verify the information with an external source before use.

Nature of this Information

This information is not professional advice. It is a guide and does not constitute advice. The information provided in this plan is case specific and should not be used by external parties for their local purposes.

Waiver and Indemnity

Users of this information waive and release the Shire of Gingin from claims resulting from their use of this information. Users of this information indemnify and keep indemnified the Shire of Gingin and its officials, employees, agents and contractors against any claims, demands, actions, suits, proceedings, costs, expenses, damages and liabilities for any loss or damage resulting from your use of this information, irrespective whether this loss or damage was caused by the negligence of the Shire of Gingin or by any other means whatsoever.

The following information is being updated from time to time as new information becomes available. In the event that visitors to this webpage cannot locate the information they are seeking, please contact the Shire of Gingin on (08) 9575 5100. You will then be directed to an appropriate officer who can answer your queries. 

Inundation Study

At it's meeting held 18 August 2020, Council received the Coastal Inundation Study from independent consultants Baird Australia Pty Ltd. The Study will be incorporated into the Shire of Gingin Coastal Hazard Risk Management Adaptation Plan in future and at that time, the community will be invited to make submissions and comment when the consultation process is undertaken. A copy of the plan can be viewed as follows:

Coastal Inundation Plan

Coastal Hazard Maps

The State Planning Policy 2.6 should be read before viewing the hazard maps. It is important to note that these maps do not predict future shoreline positions. The maps indicate the inland boundary of an area that may be vulnerable to coastal erosion over various planning time frames. Identifying these areas is necessary for future planning purposes.

Click here to see the Lancelin Coastal Erosion Hazard Map

Click here to see the Ledge Point Coastal Erosion Hazard Map

Click here to see the Seabird Coastal Erosion Hazard Map

Frequently Asked Questions

Given the complexity of the coastal erosion issue affecting the Shire of Gingin's coastline, the Shire has received or taken note of many questions that are asked frequently in relation to this matter, particularly in regards to Lancelin. The following is not an all encompassing Q & A document but it does address a large number of questions the Shire receives regularly.  

Coastal Erosion - Frequently Asked Questions


Lancelin Coastal Erosion History

For historical coastal erosion details pertaining to Guilderton, Ledge Point and Seabird Coastal please contact the Shire directly for further information. 


As with any complex issue of great importance to the community, there are naturally some misconceptions or misinterpretations that can occur regarding all the facts relating to that issue. The following document addresses the following misconceptions/misinterpretations:

  • "The plan to build a wall at Grace Darling Park has been scrapped permanently"
  • "The State Government has turned its back on Lancelin"
  • "The Shire should relocate Grace Darling Park north of its current location to the unused Cuncliffe St carpark"
  • "The Shire is incompetent"
  • "If we build the sea wall it will protect Lancelin permanently"
  • "It is so cheap to build a sandbag wall. Why doesn't the Shire just get on with it?"
  • "Sand renourishment is a waste of money and resources"
  • "The next big storm will wipe out Grace Darling Park"
  • "The Shire wants to tear down the town for some other purpose" 
  • "The Shire has turned its back on Lancelin"
  • "Council doesn't want to spend the money" 

Lancelin Coastal Erosion Misconceptions/Misinterpretations

What shapes our Coastlines

Video Updates

From June 2019 the Shire began providing short summary videos in relation to coastal erosion and the progress the Shire is making to address the matter. Copies of these summary videos may be viewed as follows:

UPDATE 1 - 25 June 2019

UPDATE 2 - 5 July 2019

UPDATE 3 - 19 July 2019

UPDATE 4 - 2 August 2019

UPDATE 5 - 16 August 2019

UPDATE 6 - 2 September 2019

UPDATE 7 - 13 November 2019

UPDATE 8 - 28 January 2020

UPDATE 9 - 5 June 2020


If you cannot find the information you require above, please feel free to submit a question to us or alternatively contact us directly on (08) 9575 5100.  

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