What makes it unusual is not its size but the evidence of continued use: cups and drinking vessels rest on small flagstones that project from the dry-stone walling lining the well, rags are tied nearby, and religious objects have been left as offerings. The water, according to local tradition, cures sore eyes, and rounds are still made here, meaning that the old devotional practice of walking a prescribed circuit around the well while praying continues into the present.

The well appears as Toberreendoney on the Ordnance Survey map of 1840, a name that preserves older Irish-language elements in the way so many holy well names do. The folklorist Caoimhín Ó Danachair documented it in 1955, recording its physical details with the careful precision of a field researcher: the dry-stone walling, the projecting flagstones serving as a kind of natural shelf, and the enclosing earthwork, an earth bank three to four feet high and four feet thick at its base, which defines a roughly circular space about twenty feet in diameter around the well. Holy wells across Ireland were, and in many cases remain, sites of pattern days and petitionary visits, where offerings are left and circuits walked in a practice that blends pre-Christian tradition with Christian devotion. The offerings here, rags in particular, follow a widespread custom in which cloth left at a well was believed to carry away an ailment as it slowly weathered.

The well is on open mountainside, which means the approach involves a walk of at least half a mile across heathery ground from the nearest road or dwelling. Visitors should wear appropriate footwear and check conditions beforehand, as the terrain can be boggy. Because it is a living devotional site rather than a monument under formal protection, the cups and vessels on the flagstone ledges are likely to have been left by recent visitors; it is worth approaching with that in mind, treating the space with the same consideration you would give any active place of worship. The enclosing earthen bank makes the well relatively easy to identify once you are close, even if locating the right area of hillside requires some care with a map.