Routes up
Post Gwyn routes: 4 ways to the top
Standard RouteHiking · 8km · 450 m ascent · ~2h 20m · from LlandrilloModerate
This route starts from the village of Llandrillo and follows a well-marked path to the summit, offering scenic views of the surrounding Berwyn range.
North RidgeScrambling · 10km · 500 m ascent · ~2h 50m · from LlandrilloModerate
The North Ridge offers a more challenging ascent with some easy scrambling sections, suitable for those looking for a bit more adventure.
Southwest SpurScrambling · 9km · 480 m ascent · ~2h 35m · from LlandrilloModerate
This route involves a mix of hiking and scrambling, with some exposed sections that require careful navigation.
East ApproachHiking · 12km · 600 m ascent · ~3h 25m · from BalaDifficult
The East Approach begins near Bala and traverses through varied terrain, including moorland and rocky paths, before reaching the summit.
Summit today
Is it safe to climb Post Gwyn today?
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Cloud inversion · 7 days
The chance of standing above a sea of cloud on Post Gwyn each morning this week, from overnight temperature, humidity and low cloud below the 665m summit.
Dark sky · 7 days
How dark the sky gets over Post Gwyn 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 07:03, sunset 16:51
9h 48m of daylight. Golden hour ends 07:53 and starts 16:00. From the summit you see the sun 06:58 to 16:56.
Nearby summits
Close to Post Gwyn
About Post Gwyn
Post Gwyn is 665 m (2,182 ft) high with 61 m of prominence. It is in Snowdonia, Wales. It is the 89th highest of the 152 summits Peakify lists in Snowdonia. The nearest summits are Bryn Gwyn (0.6 km), Craig Rhiwarth (2.4 km) and Moel Sych (3.1 km).
How high is Post Gwyn?
Post Gwyn is 665 metres high with 61 metres of prominence.
Where is Post Gwyn?
Post Gwyn is listed in Snowdonia, Wales.
Are there routes for Post Gwyn?
Peakify lists 4 routes for Post Gwyn, including available distance, ascent, start point, and difficulty details. The easiest is Standard Route (8km, Moderate).
Is it safe to climb Post Gwyn 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 Post Gwyn?
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.
