Knocknarea

About

Knocknarea, standing at 327 metres (1,073 feet), is a prominent limestone hill that dominates the Coolera Peninsula in County Sligo, Ireland. The hill’s steep cliffs and open plateau provide sweeping views of the Atlantic coast and the surrounding western Irish landscape. At its summit lies one of Ireland’s largest cairns—known as Queen Maeve’s Cairn—that dates back to around 3000 BCE and is broadly considered a Neolithic passage tomb. The cairn, measuring roughly 10 metres high and 55 metres across, is a protected National Monument and a key feature of the site’s archaeological significance. The summit also hosts a number of other ancient monuments, including smaller cairns and partially ruined passage graves that align along a north‑south axis, suggesting ritualistic use in the Neolithic era. These structures, along with the cairn’s prominent position, have attracted both historians and mythic folklore, the latter linking the monument to the legendary Queen Maeve of Connacht. Visitors can traverse the hill on well‑marked hiking routes that range from leisurely walks to more challenging climbs, making it suitable for casual walkers, experienced hikers, and study groups. The site is free to enter, with no admission fees or booking required, and facilities for public access remain open from dawn until dusk, weather permitting. Seasonal conditions are most favorable from late spring to early autumn, when temperatures are mild and the scenery is at its clearest.

Good to Know

At a glance

• Typical visit: about 2 hours