Aerial view of a brown hilltop with a central stone cairn and radiating paths, overlooking a bay.
Aerial view of Knocknarea mountain showing the central stone cairn and paths radiating across the hilltop. Tourism Ireland by Richard Watson

Knocknarea Hill and Maeve’s Cairn

📍 Coolera Peninsula, Sligo

🏛️ Attraction | 🅿️ Free car park at the Strandhill trailhead; limited spaces – check for any seasonal fees

Last updated: 21 May 2026

Overview

Knocknarea (Irish: Cnoc na Riabh, meaning “Hill of Kings”) is the defining landmark of Sligo’s northwest coast. Rising 327 metres (1,073 ft) above the Coolera Peninsula, its distinctive flat-topped summit and the massive stone cairn at its centre are visible for miles across the Atlantic coastline. The mountain sits at the heart of a rich megalithic landscape and serves as a dramatic backdrop to the beaches and villages below. For visitors, it offers a rewarding blend of coastal scenery, ancient history, and legendary folklore, all accessible via well-marked walking routes.

View of Knocknarea from Coney Island, Co Sligo
View of Knocknarea from Coney Island, Co Sligo Courtesy Alison Crummy

From the summit plateau, the panorama stretches in every direction. Look north and you will see the unmistakable flat-topped silhouette of Benbulben and the rugged spine of the Ox Mountains. To the east lies Lough Gill and the town of Sligo, while the western gaze sweeps across the Atlantic Ocean and the long stretch of Strandhill Beach. On exceptionally clear days, the distant peak of Croagh Patrick in County Mayo appears on the horizon. The hill is a major highlight for walkers exploring the Wild Atlantic Way and a magnet for those drawn to Ireland’s ancient ritual landscapes.

The Climb & Trails

Reaching the summit of Knocknarea requires a moderate to strenuous effort, but the paths are well-maintained and clearly waymarked with red arrows on a black background. There are two primary approaches, each offering a different pace and perspective.

The Queen Maeve Trail is an 8 km (5 mile) loop that circles the mountain. It features a mix of forest sections, a wooden boardwalk through damp terrain, and a notable wooden bog bridge. This route is ideal for those who want a full circuit with multiple viewpoints and varied terrain. It typically takes 2.5 to 3 hours to complete.

For a more direct ascent, the Strandhill Trailhead offers a well-defined path with extensive boardwalks and approximately 500 wooden steps. This route is steeper and more direct, usually taking 45 to 60 minutes to reach the plateau. It is popular with visitors starting from the beach car park and provides a steady, rewarding climb.

The Culleenamore Approach from the south provides a quieter, more gradual gradient. This path joins the main summit plateau and offers sweeping inland vistas as you ascend. It is a favourite among locals who prefer a less crowded start to their hike. All trails converge on the summit plateau, where the landscape opens up into a windswept expanse of grass and heather.

Queen Maeve’s Cairn & Archaeology

At the very centre of the plateau sits Queen Maeve’s Cairn, a Neolithic passage tomb dating to around 3000 BCE. Built roughly a century before the famous tombs of Newgrange, this monument is a masterpiece of prehistoric engineering. The mound measures approximately 60 metres in diameter, rises 10 metres high, and is constructed from an estimated 30,000 tonnes of limestone.

Queen Maeve's Cairn Knocknarea Mountain Co. Sligo
Queen Maeve's Cairn Knocknarea Mountain Co. Sligo Tourism Ireland by Richard Watson

It remains the largest unopened cairn in Ireland outside the Boyne Valley. Archaeologists note a quarry located just 300 metres to the north, which supplied the limestone for the construction. Evidence suggests the cairn was once clad in quartz, which would have made it glitter brilliantly at sunrise and sunset. The monument is protected as National Monument No. 153, and visitors are strictly prohibited from climbing the stone structure to preserve its integrity.

The cairn is part of a wider ritual landscape that includes smaller satellite tombs, ancient hut sites, and a 1 km stone embankment that once encircled the summit plateau. Just a short distance down the hill lies the Carrowmore Megalithic Cemetery, one of the largest and oldest collections of passage tombs in Europe, which can easily be combined with a visit to Knocknarea.

Legends & Literary Connections

The hill’s name and reputation are inextricably linked to Medb (often anglicised as Maeve), the powerful warrior queen of Connacht from Irish mythology. Legend holds that she lies upright within the cairn, spear in hand, eternally watching over her province. The story of Medb and her husband Ailill, and their quest for the Brown Bull of Cooley, forms the epic Táin Bó Cúailnge, one of the greatest works of early Irish literature.

Knocknarea’s stark, windswept beauty has inspired countless writers, most notably W.B. Yeats. The poet frequently referenced the mountain in his work, capturing its wild, melancholic atmosphere. Yeats is buried nearby in Drumcliffe, and his literary legacy adds a layer of cultural resonance to the physical hike. The mountain’s dramatic profile also inspires modern events like the annual Warriors Run, a mountain race that follows parts of the Queen Maeve Trail, celebrating the athletic spirit of the ancient warriors associated with the landscape.

Practical Information for Visitors

  • What to bring: The summit is exposed and weather conditions can change rapidly. Bring waterproof layers, sturdy footwear with good grip, and plenty of water. There are no permanent facilities or shops on the mountain.
  • Parking: The main free car park is located at the Strandhill trailhead. Spaces are limited, especially on weekends and during peak summer months. A secondary lay-by exists near Culleenamore for those using the southern approach.
  • Dogs: Well-behaved dogs are welcome on a lead. Note that dogs are prohibited on the trails during the lambing season, typically from February to April, to protect local livestock.
  • Accessibility: The trails are classified as strenuous due to steep sections, uneven terrain, and the wooden bog bridge, which can become slippery when wet. The route is not suitable for wheelchairs or pushchairs.
  • Public Transport: Bus Éireann routes operate from Sligo town to Strandhill and Culleenamore. Summer seasonal services may increase frequency, so check current timetables before planning your trip.
  • Nearby stops: After descending, visit the Culleenamore Strand for a coastal walk, or head to the Strandhill Golf Club, whose links course offers views of the mountain from several tees. The Yeats Society building in Sligo town provides further context on the region’s literary history.

Plan your visit for early morning or late afternoon to avoid the midday crowds and catch the best light on the cairn. The mountain stands open year-round, but winter visits require extra caution due to shorter days and potential ice on the wooden boardwalks.