Name of Pilgrimage Site Marian Grotto 51.636857, -9.953065
The Marian Grotto at Cahergarriff was erected in 1954 for the Marian Year. It has been a place of pilgrimage ever since and the Rosary is still prayed there every evening in May.
Source: Google maps
Source: https://irlandnews.com/heilige-orte-irlands/