Donard · County Wicklow

Lugnaquilla via Glen of Imaal

Last verified May 2026 · Trail open

The Glen of Imaal route to Lugnaquilla is a strenuous 12–14 km return mountain walk to Leinster's highest summit at 925 m. The most commonly used route follows military access roads and mountain paths from the Glen of Imaal up the broad slopes of Lugnaquilla to the summit plateau. Allow 5–7 hours. Experienced hillwalkers only — check access notices for military activity in the Glen.

⚠️ Distances and grades are cross-checked — always carry an OS map on mountain routes.

14 km
Distance
6h
Typical time
780 m
Climb
Strenuous
Difficulty
mountain
Type
Waymarking: Unmarked
Route on map

Where this walk goes

Start point shown — click the marker to get directions. Zoom in to explore the area.

Why you'll like it

Highlights of this walk

  • Climbs to the highest mountain in Leinster at 925 m
  • Vast upland scenery and remote landscapes
  • Blanket bog, mountain streams and open heath
  • Broad summit plateau shaped by glacial activity during the last Ice Age
  • Quieter than the busier Glendalough trails
Route & directions

How to walk it

Start near Donard at Fenton's Pub or the Glen of Imaal access points. The Lugnaquilla via Glen of Imaal route is approx. 12–14 km return — a strenuous mountain walk climbing steadily from the Glen of Imaal onto the broad slopes of Lugnaquilla before reaching the 925 m summit plateau and returning by the same route. Allow 5–7 hours depending on pace and weather. Terrain includes gravel tracks, open mountain paths, boggy ground and exposed upland — navigation can become difficult in mist or poor visibility.

Local tips

  • Experienced hillwalkers only with full mountain equipment
  • Check access notices for military activity in the Glen of Imaal
  • Carry sufficient food, water and navigation equipment
  • Weather changes rapidly on the summit plateau
  • Mist and low cloud reduce visibility — turn back if in doubt
Where to stay

Accommodation near this walk

Madeline's Accommodation

Tinahely Town Square · south Wicklow

A beautifully restored historic guesthouse on the Square in Tinahely — the Wicklow Way passes through the village. Double, twin and small-double rooms, all with private bathrooms. Self-service coded entry — arrive when it suits you.

Guesthouse Private Bathrooms Keypad Entry Village Centre On the Wicklow Way
Audio tour

Audio tour — Lugnaquilla

A free, GPS-triggered audio tour of this walk is coming soon to AudioToursIreland.ie — no app needed.

Liked this walk?

Get the next one by email — free route notes for new Wicklow walks.