Ross Castle is a 15th-century tower house and preserve on the brink of Lough Leane, in Killarney National Park, County Kerry, Ireland. It is the ancestral domestic of the O'Donoghue clan, later related to the Brownes of Killarney. The fort is operated by using the Office of Public Works, and is open to the public seasonally with guided tours. Ross Castle turned into constructed within the overdue 15th century by way of neighborhood ruling extended family the O'Donoghues Mor, although ownership changed fingers at some stage in the Second Desmond Rebellion of the 1580s to the MacCarthy Mor.
He then leased the fort and the lands to Sir Valentine Browne, ancestor of the Earls of Kenmare. The castle was amongst the final to surrender to Oliver Cromwell's Roundheads all through the Irish Confederate Wars, and became handiest taken whilst artillery turned into brought by means of boat via the River Laune. Lord Muskerry held the fort towards Edmund Ludlow who marched to Ross with four,000 foot soldiers and 2 hundred horse; but, it turned into through water that he attacked the stronghold. The Irish had a prophecy that Ross ought to in no way be taken till a warship could swim at the lake, an improbable prospect.