From tomorrow (18 April), work will begin to shore up a collapsing quarry face in the Vale.
Building the barrier at L'Epine will allow the minor lane next to it to reopen.
The road was closed without warning last June because it was considered dangerous.
The Vale Constables were told by Guernsey Water that the barrier, or 'bund' is a sizeable structure.
The stone will be brought in by tractor, so parking in the access road will be suspended on weekdays.
Owners of run down property in Guernsey could be served 'improvement' notices
Guernsey's Planning Authority now has the power to issues notices to owners of buildings or land deemed to be a blot on the landscape.
Stars of Bergerac in Jersey for series premiere
Bergerac gets its Jersey premiere today ahead of hitting TV screens on Thursday (27 February).
Support for Guernsey's dairy industry to double to £2.35M next year
Deputies approve measures to support the industry against agri-inflation, declining consumption and uncertainty over the future of the States Dairy.
Deputies back plan to modify way elderly care in Guernsey is paid for
The Assembly approves a plan to create the right economics needed to look after Guernsey's ageing population.
500 Liberation hampers for Guernsey's Occupation generation
500 islanders who remained in Guernsey or were evacuated during the Second World War will receive a gift hamper this Liberation Day.
Guernsey to prepare for the 'next generation digital future'
States approve a framework that will allow Guernsey to use 5G, bringing faster download speeds to devices.
Rare Golden Guernsey Goats em'baa'rk on a new journey
It's time to say 'baa'-bye to Belle, Gypsy, Lily and Elvis as they leave Jersey Zoo to join a UK breeding programme.
Domestic wind turbine demonstration in Guernsey
An AirTurb Model One, a compact vertical wind turbine, has been demoed in St Peter Port.
