The third annual 10km Christmas walk around Howth Head in aid of the Irish Cancer Society takes place on St Stephen's Day.
It begins at 11 a.m. at the Superquinn car park in Sutton and will take about two and a half hours.
Last year more than 260 people took part, raising £7,500. The aim this year is to raise £10,000. Details from Mr Brian Leonard at (01) 8674293.