"I wish to remind all parishioners that the Sunday and Holy Day obligations are dispensed with for the time being,” said Bishop Cullinane of Waterford, urging caution among the faithful.
The monastery at Clonmacnoise was founded in 544 by St Ciarán, from Rathcroghan, Co. Roscommon.
"We have a product but we need a big marketing effort by the likes of Fáilte Ireland to really get this off the ground.”
Holy Island in Lough Derg is one of the most important historical and ecclesiastical sites in Ireland and has important links to Brian Ború.
Event aims to raise awareness of Irish pilgrim routes and medieval Christian heritage.