Routes up
Mynydd Carn-y-cefn routes: 4 ways to the top
Ridge Walk from BlaenavonHiking · 12km · 450 m ascent · ~3h 10m · from BlaenavonModerate
This route takes you along the ridge of Mynydd Carn-y-cefn, offering panoramic views of the surrounding valleys.
Direct Ascent from CwmavonHiking · 8km · 400 m ascent · ~2h 15m · from CwmavonModerate
A direct ascent from the village of Cwmavon, following a well-trodden path to the summit.
Western Approach from PontypoolHiking · 10km · 500 m ascent · ~2h 50m · from PontypoolModerate
This route approaches from the west, starting in Pontypool and climbing steadily to the summit.
North Ridge ScrambleScrambling · 6km · 350 m ascent · ~1h 45m · from TalywainGrade 1 Scramble
A Grade 1 scramble up the north ridge, providing a more challenging ascent with some exposure.
Summit today
Is it safe to climb Mynydd Carn-y-cefn today?
Loading the summit forecast…
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Mynydd Carn-y-cefn each morning this week, from overnight temperature, humidity and low cloud below the 550m summit.
Dark sky · 7 days
How dark the sky gets over Mynydd Carn-y-cefn 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 06:59, sunset 16:53
9h 53m of daylight. Golden hour ends 07:48 and starts 16:03. From the summit you see the sun 06:55 to 16:57.
Nearby summits
Close to Mynydd Carn-y-cefn
About Mynydd Carn-y-cefn
Mynydd Carn-y-cefn is 550 m (1,804 ft) high with 176 m of prominence. It is in Neath to Chepstow, Wales. OS grid reference SO187084. It is the 6th highest of the 23 summits Peakify lists in Neath to Chepstow. The nearest summits are Y Domen Fawr (2.5 km), Mynydd Bedwellte (4.9 km) and Coety Mountain (4.5 km).
How high is Mynydd Carn-y-cefn?
Mynydd Carn-y-cefn is 550 metres high with 176 metres of prominence.
Where is Mynydd Carn-y-cefn?
Mynydd Carn-y-cefn is listed in Neath to Chepstow, Wales.
Are there routes for Mynydd Carn-y-cefn?
Peakify lists 4 routes for Mynydd Carn-y-cefn, including available distance, ascent, start point, and difficulty details. The easiest is Ridge Walk from Blaenavon (12km, Moderate).
Is it safe to climb Mynydd Carn-y-cefn 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 Mynydd Carn-y-cefn?
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.
