Routes up
Twyn Ceilog routes: 4 ways to the top
Main Ridge RouteHiking · 8km · 450 m ascent · ~2h 20m · from Car Park at A470Moderate
This route follows the main ridge of Twyn Ceilog, offering expansive views of the surrounding landscape.
Southern ApproachHiking · 6km · 400 m ascent · ~1h 50m · from Near Talybont ReservoirModerate
The Southern Approach starts near Talybont Reservoir and ascends through forested areas before reaching the open ridge.
Eastern ScrambleScrambling · 5km · 500 m ascent · ~1h 50m · from LlanfrynachGrade 1 Scramble
This route involves a Grade 1 scramble up the eastern face, requiring some basic climbing skills.
Western Ridge ClimbClimbing · 7km · from Cwm Taf FechanGrade 3 Climb
The Western Ridge Climb is a challenging Grade 3 climb, suitable for experienced climbers with proper gear.
Summit today
Is it safe to climb Twyn Ceilog today?
Loading the summit forecast…
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Twyn Ceilog each morning this week, from overnight temperature, humidity and low cloud below the 552m summit.
Dark sky · 7 days
How dark the sky gets over Twyn Ceilog each night this week, from cloud cover, moonlight and local light pollution.
Snow · 7 days
Snowfall and lying snow at the summit over the next 7 days.
Sun today
Sunrise 07:00, sunset 16:53
9h 53m of daylight. Golden hour ends 07:49 and starts 16:04. From the summit you see the sun 06:55 to 16:57.
Nearby summits
Close to Twyn Ceilog
About Twyn Ceilog
Twyn Ceilog is 552 m (1,811 ft) high with 2 m of prominence. It is in Llandovery to Monmouth, Wales. OS grid reference SO098127. It is the 11th highest of the 39 summits Peakify lists in Llandovery to Monmouth. The nearest summits are Cefn yr Ystrad (1.5 km), Pen March (2.3 km) and Merthyr Common (2.5 km).
How high is Twyn Ceilog?
Twyn Ceilog is 552 metres high with 2 metres of prominence.
Where is Twyn Ceilog?
Twyn Ceilog is listed in Llandovery to Monmouth, Wales.
Are there routes for Twyn Ceilog?
Peakify lists 4 routes for Twyn Ceilog, including available distance, ascent, start point, and difficulty details. The easiest is Main Ridge Route (8km, Moderate).
Is it safe to climb Twyn Ceilog 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 Twyn Ceilog?
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.
