Wicklow Mountains National Park, Co Wicklow
Wicklow Mountains National Park, Co Wicklow Courtesy Chris Spierin, Fáilte Ireland/Tourism Ireland

Slievemaan – A Mid‑Mountain Adventure in the Wicklow Range

📍 Wicklow, Wicklow

🏛️ Attraction

Last updated: 28 April 2026

Overview

Glendalough Aerial
Courtesy Fáilte Ireland

Slievemaan (Irish: Sliabh Meáin, “middle mountain”) stands at 759 m (2,490 ft) and ranks as the 54th‑highest summit on Ireland’s Arderin list and the 70th on the Vandeleur‑Lynam scale. Nestled at the southern end of the Glen of Imaal, it forms the western shoulder of the massive Lugnaquilla massif – the highest peak in the Wicklow range at 925 m. Though modest in height compared with its neighbour, Slievemaan rewards hikers with a relatively quiet ascent, sweeping ridge lines, and unrivalled views over the surrounding peaks of Lugduff, Cloghernagh and the deep glen below.

History and Landscape

The name Sliabh Meáin reflects the mountain’s position in the middle of a series of ridges that radiate from Lugnaquilla. Historically the Glen of Imaal was a strategic valley for Irish rebels and later a military artillery range, leaving the surrounding hills relatively untouched by intensive agriculture. This has helped preserve a mosaic of blanket bog, heath, and native oak scrub that characterises the Wicklow uplands. The mountain’s prominence of 54 m may seem slight, but it is enough to give Slievemaan a distinct summit profile that is easily recognisable from the surrounding ridgelines.

What to See & Do

Summit Experience

Reaching the summit is a highlight in itself. A small wooden summit register, maintained by the Irish Mountain Club, invites walkers to log their ascent and read the notes of fellow hikers. From the cairn‑topped peak you can see the sweeping sweep of the Wicklow Way to the east, the jagged silhouette of Lugnaquilla to the north‑east, and the rolling glen of Imaal stretching south‑west. On a clear day the distant silhouette of the Irish Sea is visible on the horizon.

The Ballineddan – Slievemaan Ridge

The most popular route is the Ballineddan – Slievemaan ridge walk. Starting from the base of Ballineddan Mountain (652 m), the trail follows a well‑marked ridge that gradually climbs to Slievemaan’s summit. The total distance is approximately 5.9 km with an ascent of 592 m, typically taking 2 hours 15 minutes for a fit walker. The ridge offers occasional rocky scrambles, but the terrain is generally grassy and easy to navigate with a standard map and compass.

Wildlife and Flora

The upland environment supports a range of wildlife. Birdwatchers may spot meadow pipits, skylarks, and the occasional raven soaring over the ridge. In late summer, the heather‑covered slopes burst into purple, while the lower slopes host bilberry and wild strawberry patches. The boggy areas are home to sphagnum mosses and the rare sundew, a carnivorous plant that thrives on the acidic peat.

Nearby Attractions

Slievemaan sits within easy reach of several other Wicklow highlights. A short detour to the west brings you to Ballineddan Mountain, while the iconic Lugnaquilla is just 1.7 km to the north‑east. The Glenealo Valley, famed for its dramatic waterfalls and historic monastic sites, lies a few kilometres south‑east and makes an excellent addition to a day‑long mountain circuit.

Practical Information

ItemDetails
Elevation759 m (2,490 ft)
Prominence54 m
Grid Reference52°57’32”N, 6°29’12”W
Latitude / Longitude52.958794, -6.486796
Typical Ascent Time2 h 15 min (5.9 km, 592 m gain)
AccessPublic footpaths from the Glen of Imaal; reachable by car via the R115 road to the trailhead near Ballineddan.
FacilitiesNo admission fee; summit register available. No permanent facilities on the mountain – carry out all litter.

Getting There

The most convenient approach is by road from Dublin via the R115 (Wicklow Gap) and then onto the local road that leads to the Ballineddan trailhead. Parking is available at a small lay‑by near the start of the ridge walk; the site is free of charge but can fill quickly in the summer months, so early arrival is advisable. Public transport options are limited – the nearest bus stop is in the village of Baltinglass, about 10 km away, and the nearest railway station is in Rathdrum. For those relying on public transport, a combination of train to Rathdrum and a local taxi is the usual solution.

The ridge is marked on the Ordnance Survey Ireland (OSI) Discovery Series map 56 (Wicklow). The trail is not way‑marked with painted blazes, so a reliable map and compass (or a GPS app with the coordinates 52.958794 N, -6.486796 W) are essential. The summit register can be accessed via a short scramble over a low stone wall at the highest point.

Seasonal Considerations

Winter conditions can bring snow and ice on the higher sections of the ridge, especially on the western flank of Ballineddan. The PeakVisor ski‑touring map notes a dedicated ski trail that follows the same ridge, indicating that the area is popular with back‑country skiers when conditions allow. Spring and early summer bring the most vibrant flora, while autumn offers spectacular colour changes across the blanket bog.

Safety and Preparation

  • Weather: Conditions can change rapidly in the Wicklow uplands; check the Met Éireann forecast before setting out and be prepared for wind, rain, or sudden temperature drops.
  • Equipment: Carry a waterproof jacket, sturdy walking boots, map, compass and/or a fully charged GPS device. A small first‑aid kit and extra food and water are advisable.
  • Navigation: As the route lacks painted way‑marks, keep an eye on the ridge line and use the OS map to confirm your position regularly.
  • Leave No Trace: There are no waste facilities on the mountain; take all litter home and respect the fragile bog habitat.

In Summary

Slievemaan may not be the tallest summit in Wicklow, but its central position, accessible ridge walk, and panoramic outlook make it a rewarding destination for walkers, peak‑baggers, and nature lovers alike. With free access, a modest climb, and the chance to stand on a summit that bridges the historic Glen of Imaal and the towering Lugnaquilla, it epitomises the quiet charm of Ireland’s lesser‑known mountain gems.