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Brian Shaw CC BY-SA 4.0 Wikimedia Commons

Slieve Croob

Mountain

Peaked hill in County Down offering upland walking, summit cairns and open moorland; visitors head there for day hikes and local views.

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In this guide

Slieve Croob essentials

Address: Slieve Croob, County Down, Northern Ireland
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About Slieve Croob

Slieve Croob is a mountain in County Down, Northern Ireland, and is the highest point of the Dromara Hills. It is a recognised local landmark used for hillwalking and local outdoor recreation.

Walkers use paths to reach the summit for panoramic views across surrounding lowlands and the wider County Down landscape; the summit area includes a prominent cairn and open moorland typical of the upland Dromara Hills.

The peak developed as a local high point used for traditional hillwalking rather than as a fortified or built site; it has long been part of local recreational and pastoral use.

The mountain lies inland in County Down, forming part of the Dromara Hills range in eastern Northern Ireland, within easy driving distance of nearby towns in County Down.

When to Go

Best Time to Visit Slieve Croob

Summer and early autumn are the best times for clear conditions and easier walking.

Summer
Jun-Aug · 12-18°C
Warmest weather and good visibility for panoramic views.
Autumn/Winter
Oct-Feb · 2-10°C
Crisper air and fewer visitors; expect wind and wet ground.

Weather & Climate near Slieve Croob

Climate

Slieve Croob's climate is classified as Oceanic - Oceanic climate with cool summers (peaking in July) and cold winters (coldest in January). Temperatures range from 0°C to 18°C. Abundant rainfall (1654 mm/year), wettest in January.

Air Quality: AQI 30 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
25°
Warmest Month
-5°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor 0° - 5° -3° 177 mm overcast 94% 8.7 m/s 0.0 low 7.7h
February Poor 0° - 6° -3° 124 mm overcast 92% 8.3 m/s 0.1 low 9.5h
March Poor 1° - 8° -1° 152 mm overcast 90% 7.8 m/s 0.3 low 11.7h
April Poor 2° - 10° 2° 108 mm overcast 87% 6.5 m/s 0.7 moderate 13.9h
May Acceptable 5° - 14° 6° 94 mm overcast 84% 6.0 m/s 1.1 high 15.8h
June Good 8° - 16° 12° 103 mm overcast 84% 5.6 m/s 1.3 high 16.9h
July Good 10° - 18° 14° 110 mm overcast 85% 5.3 m/s 1.2 high 16.4h
August Acceptable 9° - 17° 13° 135 mm overcast 87% 5.4 m/s 0.9 moderate 14.7h
September Poor 7° - 14° 11° 146 mm overcast 89% 6.2 m/s 0.6 moderate 12.5h
October Poor 5° - 11° 4° 173 mm overcast 91% 7.4 m/s 0.2 low 10.3h
November Poor 1° - 7° -1° 164 mm overcast 93% 7.9 m/s 0.1 low 8.3h
December Poor 0° - 5° -3° 168 mm overcast 94% 8.1 m/s 0.0 low 7.1h
Getting There & Around

How to Get to Slieve Croob

Slieve Croob lies between Ballynahinch and Castlewellan; approach via local B-roads from Ballynahinch and park at unofficial lay-bys near marked trailheads.

Tips for Visiting Slieve Croob

  • Climb early for clear summit views and fewer walkers on the fixtures of the cairn.
  • On misty days the summit cairn and surrounding bogs can be disorienting - use a map or a marked route with care.
  • Look for the observant locals who still place flowers or small tokens at the cairn on certain days - it's a living folk tradition.