Slieve Snaght – Ireland’s Snow‑capped Peak in Inishowen

📍 Inishowen Peninsula, Donegal

🏛️ Attraction

Last updated: 28 April 2026

Overview

Malin Head, Inishowen Peninsula, Co Donegal
Malin Head, Inishowen Peninsula, Co Donegal Courtesy of Martin Fleming, Failte Ireland

Slieve Snaght (Irish: Sliabh Sneachta, “snow mountain”) dominates the centre of the Inishowen Peninsula in County Donegal. At 615 m (2,018 ft) it is the highest point on the peninsula and one of the most northerly mountains on the island of Ireland. The name is literal – snow often lingers on its summit until late May, giving the peak a striking white crown that can be seen from the surrounding lowlands. On exceptionally clear days the view stretches across the North Channel to the Scottish coast, making it a favourite spot for photographers and landscape lovers.

History

The mountain features in Irish mythology as one of the “twelve chief mountains” mentioned in Cath Maige Tuired (The Battle of Moytura). A long‑standing tradition of pilgrimage to the summit occurs at Lughnasa, when locals ascend to the holy well known as Tobar na Súl (“well of the eyes”), reputed to cure blindness.

In 1825 Slieve Snaght played a pivotal role in the Ordnance Survey’s Principal Triangulation of Ireland. Surveyors, including Thomas Drummond, camped on the summit and erected a wall for shelter. Drummond’s team famously used a limelight to signal to Thomas Colby’s party on Divis, marking the first use of limelight in surveying.

What to See & Do

The Summit Loop

Fanad Head Lighthouse, Co Donegal
Fanad Head Lighthouse, Co Donegal �Tourism Ireland by Ciaran May

The most popular way to experience Slieve Snaght is a moderate 9 km (5.6 mi) loop that starts from a rural road near a conifer plantation. The route climbs gently to Damph (422 m), drops briefly, then ascends to Slieve Main (514 m) before the final push to the summit of Slieve Snaght (615 m). Along the way you’ll enjoy:

  • Panoramic sea views over the Urris Hills and the rugged Donegal coastline.
  • Distant vistas of Scotland on clear days.
  • Tobar na Súl, the historic holy well near the trig point.
  • Wildlife such as meadow pipits and occasional seabirds.

Highlights

FeatureDetail
Elevation gain581 m (1,906 ft)
Estimated time3–4 hours
DifficultyModerate
Dog friendlyYes
Family friendlyYes
Wheelchair accessNo

The summit’s trig pillar offers a perfect photo opportunity, and the surrounding boggy plateau provides a sense of solitude rarely found on more crowded peaks.

Flora and Fauna

The upper plateau is a classic Atlantic blanket‑bog environment. In summer the ground is dotted with heather (Calluna vulgaris), cross‑leaved heath (Erica tetralix) and vibrant gorse (Ulex europaeus). Early spring brings a carpet of bog‑bean and the occasional purple saxifrage. Birdwatchers may spot meadow pipits, skylarks and, on windy days, the occasional merlin or peregrine falcon soaring over the ridge. Small mammals such as Irish hares and field voles are common, while the bog itself supports a range of insects, including dragonflies that linger near the few seasonal pools.

Seasonal Highlights

  • Late winter & early spring (January–April) – Snow often remains on the summit, creating the iconic white‑capped silhouette. The low light of sunrise against the snow makes for dramatic photographs.
  • Late spring (May–June) – Wildflowers burst into colour; the holy well is traditionally visited during Lughnasa celebrations.
  • Summer (July–August) – Clear, dry weather provides the best long‑range views across the North Channel to Scotland. The bog is firm, making the walk easier.
  • Autumn (September–October) – Heather turns a rich amber, and the landscape is painted with golden hues. Shorter daylight hours mean an early start is advisable.

Practical Information

Aerial of Falcarragh Beach, Co Donegal
Aerial of Falcarragh Beach, Co Donegal ©Tourism Ireland
  • Getting there: The trailhead is accessed from a minor road off the R238, a short drive from the towns of Carndonagh or Buncrana. Free parking is available at the trailhead; the car park holds around 15 vehicles, so arrive early in peak season.
  • Navigation: GPS coordinates for the summit are 55°11’46”N, 7°20’5”W (55.196129, -7.334222). The route is well‑marked on the Ordnance Survey maps of Donegal (OSNI 1:25 000). A basic map and compass are recommended as the bog can be featureless in mist.
  • Season: The mountain is climbable year‑round, but the snow‑capped summit is most dramatic in late winter and early spring. Summer offers the clearest views.
  • Facilities: No toilets, water points or shelter on the mountain. Bring sufficient water, a packed lunch and warm clothing regardless of season.
  • Safety: The terrain is boggy in places, especially after rain. Wear sturdy waterproof hiking boots with good ankle support. Check the weather forecast; high winds can make the summit exposed. In an emergency call 999 or 112 and give the grid reference.
  • Gear: Waterproof jacket, layers, sturdy boots, map, compass/GPS, and a head‑lamp if you plan a late return.
  • Nearby attractions: After your hike you can explore the nearby Buncrana Golf Club, Ned’s Point Fort, or the coastal village of Carndonagh. Other worthwhile spots on the Inishowen circuit include:

For detailed navigation, see the Komoot Slieve Snaght Summit Trail and the MountainViews entry.