Repair works have gotten under-way at walking trails at Sliabh Liag in South Donegal.
Over 500 tonnes of stone are being carried up the hillside by helicopter.
The work is expected to take a week to complete, depending on weather conditions.
Some restrictions are in place on certain walking routes, but the main carpark and viewing platform remain open.
Joe Mangan, who owns Donegal Tours, says the work is having no effect on people who are visiting Europe’s highest sea cliffs:
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