Glyder Fawr Mountain

Wales' mountain with dramatic cliffs and rocky ridges

A 1,001m peak in Snowdonia's Glyderau, reached from the Ogwen Valley; walkers come for rocky summit routes, short scrambles and wide mountain views across Snowdonia's ridges.

Main image

Glyder Fawr at a Glance#

About Glyder Fawr#

Glyder Fawr is a mountain in Snowdonia National Park in north-west Wales, reaching 1,001 meters above sea level and forming part of the Glyderau range.

The summit area is a rocky, tors-strewn plateau offering extensive views across Snowdonia and, on clear days, to the coast. The mountain is popular for hiking and scrambling, with well-trodden paths and exposed rock sections that are short but require care.

Geologically the summit and its rock formations were shaped by glaciation during the last Ice Age, leaving steep crags and glacially carved corries in the surrounding terrain. The ridge links closely with neighbouring peaks in the Glyderau, including Glyder Fach.

The mountain sits above the Ogwen Valley within Snowdonia; nearby villages include Bethesda and Capel Curig and the area is served by regional roads that provide access to common trailheads.

  • Elevation: 1,001 meters above sea level.
  • Common routes: Typical ascents start from Ogwen Cottage or Capel Curig; parts of the summit area require easy scrambling and sure-footedness.

How to Get to Glyder Fawr#

Glyder Fawr sits in Snowdonia National Park (the Glyderau range). The usual access is by road to the Ogwen Valley off the A5 - park at the Ogwen/Llyn Ogwen car parks or Ogwen Cottage and begin the walk from there; the main trailheads are a short walk from those car parks. There is no direct rail service to the valley; nearest railheads are Bangor or Betws‑y‑Coed, from which you need a local bus or taxi to reach the A5/Ogwen valley access points.

Tips for Visiting Glyder Fawr#

  • Start very early to reach the summit before midday cloud build-up and to beat the busiest periods on the main ridges - summit mornings often have the best visibility across Snowdonia.
  • Use the Ogwen Valley / Cwm Idwal approach (popular start points at Ogwen Cottage/Idwal) to link Glyder Fawr with Glyder Fach for a fuller ridge walk; this route gives the most sustained views and features worth exploring.
  • Don't stop at the obvious summit viewpoint: continue along the eastern plateau toward the rocky outcrops for dramatic vistas back toward Tryfan and Snowdon that many day visitors miss.

Best Time to Visit Glyder Fawr#

Aim for late spring to early autumn (especially summer) for the most stable conditions and best access for hiking and scrambling.

Summer (best for hiking)
June-August · ~8-18°C
Warmer, longer days offer the most reliable conditions for scrambling and ridge walks, though weather can still be changeable and often windy.
Spring/Autumn
May, September-October · ~5-12°C
Quieter than summer with cooler, often wet conditions-good for fewer crowds but expect muddy paths and variable visibility.
Winter
December-February · often below 0°C at higher elevations
Snow, ice and strong winds make routes hazardous; only attempt with appropriate winter mountaineering experience and kit.

Weather & Climate near Glyder Fawr#

Climate

Glyder Fawr's climate is classified as Oceanic - Oceanic climate with cool summers (peaking in July) and cold winters (coldest in February). Temperatures range from -1°C to 16°C. Heavy rainfall (2201 mm/year), wettest in November.

Air Quality: AQI 25 Good
Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
28°
Warmest Month
-7°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor 0° - 4° -5° 239 mm overcast 94% 11.3 m/s 0.0 low 7.9h
February Poor -1° - 4° -5° 174 mm overcast 93% 10.7 m/s 0.1 low 9.6h
March Poor 0° - 5° -3° 204 mm overcast 90% 9.4 m/s 0.4 low 11.7h
April Poor 1° - 8° -1° 142 mm overcast 86% 7.6 m/s 0.8 moderate 13.8h
May Poor 4° - 11° 4° 125 mm overcast 84% 7.4 m/s 1.2 high 15.7h
June Poor 7° - 14° 10° 129 mm overcast 84% 6.8 m/s 1.4 high 16.7h
July Acceptable 9° - 16° 12° 131 mm overcast 85% 6.6 m/s 1.3 high 16.2h
August Acceptable 8° - 15° 12° 155 mm overcast 87% 6.4 m/s 1.0 high 14.6h
September Poor 6° - 13° 6° 182 mm overcast 88% 7.2 m/s 0.6 moderate 12.5h
October Poor 4° - 9° 2° 225 mm overcast 91% 9.3 m/s 0.3 low 10.4h
November Poor 1° - 6° -2° 248 mm overcast 93% 10.0 m/s 0.1 low 8.4h
December Poor 0° - 5° -4° 247 mm overcast 94% 10.3 m/s 0.0 low 7.3h

Nearby Attractions to Glyder Fawr#