Routes up
Arenig Fawr South Top routes: 2 ways to the top
Llyn Arenig Fawr and Y CastellHiking · 5.2 km one way · 550 m ascent · ~1h 55m · from Arenig mountain-path entrance on minor roadHard
Arenig quarry and northern ridgeHiking · 5.2 km one way · 530 m ascent · ~1h 55m · from Arenig public track near old quarryHard
Summit today
Is it safe to climb Arenig Fawr South Top today?
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Cloud inversion · 7 days
The chance of standing above a sea of cloud on Arenig Fawr South Top each morning this week, from overnight temperature, humidity and low cloud below the 837m summit.
Dark sky · 7 days
How dark the sky gets over Arenig Fawr South Top 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 07:05, sunset 16:52
9h 47m of daylight. Golden hour ends 07:55 and starts 16:01. From the summit you see the sun 06:58 to 16:57.
Nearby summits
Close to Arenig Fawr South Top
About Arenig Fawr South Top
Arenig Fawr South Top is 837 m (2,746 ft) high with 25 m of prominence. It is in Snowdonia, Wales. It is the 25th highest of the 152 summits Peakify lists in Snowdonia. The nearest summits are Arenig Fawr (0.3 km), Arenig Fawr South Ridge Top (0.7 km) and Moel Llechwedd (0.7 km).
How high is Arenig Fawr South Top?
Arenig Fawr South Top is 837 metres high with 25 metres of prominence.
Where is Arenig Fawr South Top?
Arenig Fawr South Top is listed in Snowdonia, Wales.
Are there routes for Arenig Fawr South Top?
Peakify lists 2 routes for Arenig Fawr South Top, including available distance, ascent, start point, and difficulty details. The easiest is Llyn Arenig Fawr and Y Castell (5.2 km one way, Hard).
Is it safe to climb Arenig Fawr South Top 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 Arenig Fawr South Top?
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.
