The works will repair damage caused by the severe weather event in March which eroded the beachfront.

"We are repairing the frontal dune, which provides an important natural barrier to protect the park's cultural sites and values from large ocean swell and storm events and will also formalise the vehicle crossing onto the beach over the frontal dune," Worimi Conservation Lands board of management chair, Jamie Tarrant, said.

"This will involve relocating sand to the beachfront and installing a stabilising 'Track Pad', to help prevent vehicles from getting bogged or damaging the frontal dune as they traverse to the beachfront."

Mr Tarrant said the board expected the works to be complete by May 28, weather permitting.

During that time, the Gan Gan Road entrance to the conservation lands, located along the defunct Anna Bay Resort, will remain closed to the public.

The conservation lands are currently closed to beachfront driving due to the beachfront erosion.

National Parks and Wildlife Service is monitoring weather conditions to determine when the beachfront can safely be reopened for vehicles.

Commercial activities, public access and camping in designated areas of the lands will continue to be allowed with access via Lavis Lane in Williamtown.

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