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 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.
Glyder Fawr
53.1000, -4.0300

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.

Best Time to Visit
JulyAugustJune
Temperature & Rainfall
Temperature Range
28°
Warmest Month
-7°
Coldest Month
Monthly Conditions

January

January is cold with highs of 4°C and lows of 0°C. Heavy rain (239 mm), mostly overcast skies, and windy conditions.

28 Poor

Comfort

Feels Like Cold
C
Temperature
94%
Humidity
Very Humid

Weather

239 mm
Rainfall
11.3 m/s
Wind
Windy
0.0
UV Index
Low
7.9h daylight

February

February is the coolest month with highs of 4°C and lows of -1°C. Significant rainfall (174 mm), mostly overcast skies, and windy conditions.

32 Poor

Comfort

Feels Like Cold
C
Temperature
-1°
93%
Humidity
Very Humid

Weather

174 mm
Rainfall
10.7 m/s
Wind
Windy
0.1
UV Index
Low
9.6h daylight

March

March is cold with highs of 5°C and lows of 0°C. Heavy rain (204 mm), mostly overcast skies, and breezy conditions.

30 Poor

Comfort

Feels Like Cold
C
Temperature
90%
Humidity
Very Humid

Weather

204 mm
Rainfall
9.4 m/s
Wind
Breezy
0.4
UV Index
Low
11.7h daylight

April

April is cold with highs of 8°C and lows of 1°C. Significant rainfall (142 mm), mostly overcast skies, and breezy conditions.

36 Poor

Comfort

Feels Like Cold
C
Temperature
86%
Humidity
Very Humid

Weather

142 mm
Rainfall
7.6 m/s
Wind
Breezy
0.8
UV Index
Moderate
13.8h daylight

May

May is cold with highs of 11°C and lows of 4°C. Significant rainfall (125 mm), mostly overcast skies, and breezy conditions.

46 Poor

Comfort

Feels Like Cold
C
Temperature
11°
84%
Humidity
Very Humid

Weather

125 mm
Rainfall
7.4 m/s
Wind
Breezy
1.2
UV Index
High
15.7h daylight

June

June is cool with highs of 14°C and lows of 6°C. Significant rainfall (129 mm), mostly overcast skies, and breezy conditions.

48 Poor

Comfort

10°
Feels Like Cool
10°C
Temperature
14°
84%
Humidity
Very Humid

Weather

129 mm
Rainfall
6.8 m/s
Wind
Breezy
1.4
UV Index
High
16.7h daylight

July

July is cool with highs of 16°C and lows of 8°C. Significant rainfall (131 mm), mostly overcast skies, and breezy conditions.

56 Acceptable

Comfort

12°
Feels Like Cool
12°C
Temperature
16°
85%
Humidity
Very Humid

Weather

131 mm
Rainfall
6.6 m/s
Wind
Breezy
1.3
UV Index
High
16.2h daylight

August

August is cool with highs of 15°C and lows of 8°C. Significant rainfall (155 mm), mostly overcast skies, and breezy conditions.

54 Acceptable

Comfort

12°
Feels Like Cool
12°C
Temperature
15°
87%
Humidity
Very Humid

Weather

155 mm
Rainfall
6.4 m/s
Wind
Breezy
1.0
UV Index
High
14.6h daylight

September

September is cold with highs of 13°C and lows of 6°C. Significant rainfall (182 mm), mostly overcast skies, and breezy conditions.

44 Poor

Comfort

10°
Feels Like Cold
10°C
Temperature
13°
88%
Humidity
Very Humid

Weather

182 mm
Rainfall
7.2 m/s
Wind
Breezy
0.6
UV Index
Moderate
12.5h daylight

October

October is cold with highs of 9°C and lows of 4°C. Heavy rain (225 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

225 mm
Rainfall
9.3 m/s
Wind
Breezy
0.3
UV Index
Low
10.4h daylight

November

November is cold with highs of 6°C and lows of 1°C. The wettest month with heavy rain (248 mm), mostly overcast skies, and windy conditions.

28 Poor

Comfort

Feels Like Cold
C
Temperature
93%
Humidity
Very Humid

Weather

248 mm
Rainfall
10.0 m/s
Wind
Windy
0.1
UV Index
Low
8.4h daylight

December

December is cold with highs of 4°C and lows of 0°C. Heavy rain (247 mm), mostly overcast skies, and windy conditions.

28 Poor

Comfort

Feels Like Cold
C
Temperature
94%
Humidity
Very Humid

Weather

247 mm
Rainfall
10.3 m/s
Wind
Windy
0.0
UV Index
Low
7.3h daylight

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