Brendan was a real person — Brendan of Clonfert, who lived from roughly AD 484 to 577 and founded several monasteries in Ireland, including the great house at Clonfert in Galway. The voyage attributed to him is a different matter. Whether he actually crossed the Atlantic, whether he reached Greenland or Iceland or the Canadian coast, whether the journey was entirely allegorical — these are questions scholars and adventurers have argued for centuries. In 1976 the explorer Tim Severin built a leather-and-wood currach to medieval specifications and sailed it from Ireland to Newfoundland, demonstrating that such a journey was at least physically possible. Whatever Brendan did or did not do, Reenconnell preserves the memory of someone looking west and seriously asking: how far does this go?

A small church stood on Reenconnell from the 6th century AD, originally dedicated by Saint Maolcethair (the same saint who gives his name to Kilmalkedar a few kilometres west). It was rebuilt in the 12th century in the Hiberno-Romanesque style — the same architectural moment that produced Cormac's Chapel at the Rock of Cashel. The rebuild suggests Reenconnell still mattered as a pilgrimage stop five hundred years after its founding, important enough to receive new stonework when the Irish church was modernizing its building program. The ruins today are sparse, but the foundations and some standing stones remain on the hilltop.

Within the churchyard, an area called Calluragh — An Ceallúnach in Irish — was set aside for unbaptized children. In medieval and early modern Catholic theology, unbaptized infants could not be buried in consecrated ground, and so families across Ireland used designated patches like this one. A 6-foot-tall High Cross was raised on the site to mark the graves. The practice is painful to read about now: parents carrying tiny bodies up a hill to be buried apart from the community, often at night, often without a priest. Ogham-inscribed stones and smaller stone crosses are scattered through the graveyard, including one dated to the 6th century with a Latin inscription — a long thread of grief and remembrance running from the early Christian centuries through the modern era.

Stand on Reenconnell today and the view westward stretches across the Dingle Peninsula to the Atlantic horizon. Mount Brandon rises to the north. On clear days you can see the Blasket Islands. Whether or not Brendan stood here, the landscape makes the legend believable: this is exactly the kind of place where someone with a religious imagination and a sailor's instincts might begin to wonder what lay over the curve of the water. The hill has been a thinking place for nearly 1,500 years, marked by churches and crosses and graves and stones — the accumulated weight of generations who came up here to look out and ask, in their own way, the same question.