Routes up
Pen yr Allt Uchaf routes: 1 way to the top
Cwm Cywarch mountain pathsHiking · 4.3 km one way · 500 m ascent · ~1h 40m · from Cwm Cywarch signed walkers' car parkHard
Summit today
Is it safe to climb Pen yr Allt Uchaf today?
Loading the summit forecast…
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Pen yr Allt Uchaf each morning this week, from overnight temperature, humidity and low cloud below the 630m summit.
Dark sky · 7 days
How dark the sky gets over Pen yr Allt Uchaf 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 16:52
9h 48m of daylight. Golden hour ends 07:54 and starts 16:01. From the summit you see the sun 06:58 to 16:57.
Nearby summits
Close to Pen yr Allt Uchaf
About Pen yr Allt Uchaf
Pen yr Allt Uchaf is 630 m (2,067 ft) high with 60 m of prominence. It is in Snowdonia, Wales. It is the 111th highest of the 152 summits Peakify lists in Snowdonia. The nearest summits are Gwaun Lydan (1.8 km), Gwaun y Llwyni (1.6 km) and Aran Fawddwy (2.8 km).
How high is Pen yr Allt Uchaf?
Pen yr Allt Uchaf is 630 metres high with 60 metres of prominence.
Where is Pen yr Allt Uchaf?
Pen yr Allt Uchaf is listed in Snowdonia, Wales.
Are there routes for Pen yr Allt Uchaf?
Peakify lists 1 route for Pen yr Allt Uchaf, including available distance, ascent, start point, and difficulty details.
Is it safe to climb Pen yr Allt Uchaf 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 yr Allt Uchaf?
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.
