"Ballyshanny. (Nov. 1, 1835.) I visited the far-famed terrestrial Purgatory of Lough-Derg but received no benefit from my tours except a severe cold, which I attribute more to the wet mountain bogs that surround the Lake..."
"To the west of St. Brigid's Chair, and about two furlongs from the shore of the lake, but somewhat further from the chair, is situated on the very summit of a mountain a carn-shaped eminence, on the summit of which is St. Dabheoc's Seat..."
“From Pettigo to Lough Dergh, the distance is about three miles, over bog and mountain. It is a scramble all the way, endeavouring to avoid the marsh and bog land, that cannot, however, be avoided..."