Wollongong City Council plans to have Mount Keira Road reopened to the public by October next year.
The road has been plagued by rock falls and shifting soils.
A 400-metre stretch between the scout camp and Byarong Park has been closed to traffic since December after an assessment found rock falls and landslides posed a safety risk.
The council is calling for tenders for work on a section of the road below the entrance to the scout camp.
The work will stabilise the mountainside above the road to prevent rocks and other debris falling onto the roadway.
This work is only one part of the remediation needed to allow the road to reopen to the public.
The council will pay for the work from its capital works budget and is seeking federal government funding for the remaining works, which will stabilise the lower road embankment.
A council spokesperson said the council had spent around $2.7 million on the stabilisation works since 2000.
The council has allocated $1 million in the current budget to start work on the site.
The final figure for the rock stabilisation works will not be known until tenders have been received.