"Pettigo. (July 23, 1824). A country road leads in this direction a mile: after leaving which we passed over the mountains following a path, which the number of devotees who visit the Island, had marked too distinctly to be mistaken..."
A history of Lough Derg and its Antiquities. This extract comes from an 1836 story in the Dublin Penny Journal Count Raymond de Perilleaux's 1397 journey to the Purgatory.