Mourne Mountains, County Down, Northern Ireland
No more piecing together five different forecasts. RambleMetric combines weather, ground conditions, air quality, and transport into a single visit score — so you can plan the perfect trip to Slieve Donard.
About Slieve Donard
RambleMetric is a real-time conditions app for Slieve Donard, Mourne Mountains, County Down, Northern Ireland. Check live weather, ground state, trail conditions, and river levels before you visit.
Northern Ireland's highest peak (850m) — exposed granite summit with weather extremes. Mourne Wall acts as navigation aid. Conditions can change rapidly — always check the forecast and plan accordingly.
Walking Routes
Check the live Visit Score before you set out — conditions here change fast.
Classic ascent from Newcastle following the Glen River and the Mourne Wall to the 850m summit.
Woodland trails through the fantasy-like forest used as a Game of Thrones filming location.
Plan Your Visit
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Key Features
850m — Northern Ireland's highest point with views to Scotland, England, and the Isle of Man.
35 km dry-stone wall crossing 15 summits — built 1904–1922 as a catchment boundary.
Atmospheric woodland with stone follies and arched bridges — Game of Thrones location.
Live Data
All data is fetched from authoritative UK sources and recalculated every few minutes.
Safety Information
• Wear appropriate footwear with ankle support
• Carry waterproofs and extra layers — weather changes fast
• Keep to marked paths, especially in poor visibility
• Tell someone your route and expected return time
• Carry a map and compass (don't rely solely on phone GPS)
All data, scores, and recommendations provided by RambleMetric are for informational purposes only. Always use your own judgement and check official sources before visiting.
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