Routes up
Pen y Cerrig Duon routes: 4 ways to the top
South Ridge RouteHiking · 5km · 450 m ascent · ~1h 45m · from Car Park near A470Moderate
This route ascends via the south ridge offering scenic views of the surrounding valleys, suitable for experienced hikers
North Ridge AscentHiking · 4km · 500 m ascent · ~1h 40m · from Parking area near B4518Hard
Steep ascent via the north ridge, offers panoramic views at the summit
East Face ScrambleScrambling · 3km · 400 m ascent · ~1h 15m · from Base of East FaceGrade 2
Challenging scramble up the east face with some exposure, requires good scrambling skills
West Gully ClimbClimbing · 2km · 350 m ascent · ~1h 0m · from Foot of West GullyGrade 3
Technical climb up the west gully, suitable for experienced climbers with proper gear
Summit today
Is it safe to climb Pen y Cerrig Duon today?
Loading the summit forecast…
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Pen y Cerrig Duon each morning this week, from overnight temperature, humidity and low cloud below the 611m summit.
Dark sky · 7 days
How dark the sky gets over Pen y Cerrig Duon each night this week, from cloud cover, moonlight and local light pollution.
Snow · 7 days
No snow is forecast at the summit in the next 7 days.
Sun today
Sunrise 07:04, sunset 16:51
9h 48m of daylight. Golden hour ends 07:54 and starts 16:00. From the summit you see the sun 06:58 to 16:56.
Nearby summits
Close to Pen y Cerrig Duon
About Pen y Cerrig Duon
Pen y Cerrig Duon is 611 m (2,005 ft) high with 12 m of prominence. It is in Snowdonia, Wales. It is the 129th highest of the 152 summits Peakify lists in Snowdonia. The nearest summits are Pen y Boncyn Trefeilw (1.0 km), Foel Goch (1.4 km) and Trum y Gwragedd (1.2 km).
How high is Pen y Cerrig Duon?
Pen y Cerrig Duon is 611 metres high with 12 metres of prominence.
Where is Pen y Cerrig Duon?
Pen y Cerrig Duon is listed in Snowdonia, Wales.
Are there routes for Pen y Cerrig Duon?
Peakify lists 4 routes for Pen y Cerrig Duon, including available distance, ascent, start point, and difficulty details. The easiest is South Ridge Route (5km, Moderate).
Is it safe to climb Pen y Cerrig Duon today?
Peakify rates each day on the summit Good, Marginal or Poor from the forecast summit wind, gusts, chance of rain and wind chill. Wind of 40 mph or gusts of 65 mph make it Poor; wind of 25 mph, gusts of 45 mph, a 60% chance of rain or a feels-like temperature of -8°C or below make it Marginal. Today's and tomorrow's ratings are at the top of this page. The rating covers the weather only: also check your route, daylight, kit and experience, and in winter whether you need an ice axe and crampons.
What weather information is shown for Pen y Cerrig Duon?
The page includes cached mountain forecast context, snow outlook, dark-sky signals, cloud-inversion information, sunrise, sunset, and summit planning details where available.
Peakify is run by Sam Tyler, who has climbed Yr Wyddfa 22 times. The forecast refreshes every hour; how our forecast works.
