Roman Catholic pilgrimage sites in Ireland

Glendalough (; ) is a glacial valley in County Wicklow, Ireland, renowned for an Early Medieval monastic settlement founded in the 6th century by St Kevin. From 1825 to 1957, the head of the Glendalough Valley was the site of a galena lead mine. Glendalough is also a recreational area for picnics, for walking along networks of maintained trails of varying difficulty, and also for rock climbing.

mountain in County Mayo, Ireland

mountain in Kerry, Ireland

site of apparition in in Mayo, Ireland

ancient pilgrimage site on in Lough Derg, County Donegal, Ireland

Knocknadobar () at , is the 102nd–highest peak in Ireland on the Arderin scale, and the 123rd–highest peak in Ireland according to the Vandeleur-Lynam scale. Knocknadobar is one of the main mountains of the Iveragh Peninsula in County Kerry, Ireland, and has been one of the most important sites of pilgrimage in Ireland since medieval times.