Routes up
Y Gyrn routes: 3 ways to the top
South Ridge PathHiking · 3.5km · 250 m ascent · ~1h 5m · from Storey ArmsModerate
The South Ridge Path offers a straightforward ascent with gentle slopes, suitable for most hikers.
East Ridge ScrambleScrambling · 2.8km · 300 m ascent · ~1h 5m · from Storey ArmsGrade 1 Scramble
The East Ridge provides a more adventurous route with some scrambling sections, care is needed.
North Face ClimbClimbing · 1.5km · 400 m ascent · ~1h 0m · from Storey ArmsGrade 3 Climb
The North Face Climb is a challenging route for experienced climbers, involves technical climbing.
Summit today
Is it safe to climb Y Gyrn today?
Y Gyrn today (updated 17:02, 27 Oct): up to 10°C at the summit, feeling as cold as 1°C, summit wind 30 mph gusting 37 mph, 59% chance of rain. A marginal day for the hills. Best day this week: Saturday, summit gusts 10 mph.
Y Gyrn weather today
Dense drizzle, up to 10°C at the summit, feeling as cold as 1°C, summit wind 30 mph gusting 37 mph, 59% chance of rain. Rated Marginal.
Y Gyrn weather tomorrow
Thursday 29 October: overcast, up to 10°C at the summit, feeling as cold as 1°C, summit wind 21 mph gusting 26 mph, 0% chance of rain. Rated Good.
Y Gyrn weather this weekend
Saturday 31 October: fog, up to 6°C at the summit, feeling as cold as -1°C, summit wind 8 mph gusting 10 mph, 0% chance of rain. Rated Good.
Sunday 1 November: mostly dry, up to 6°C at the summit, feeling as cold as 2°C, summit wind 15 mph gusting 18 mph, 2% chance of rain. Rated Good.
Y Gyrn summit forecast, next 7 days
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| TodayDense drizzle | Marginal | 10°/6° | 1° | 30/37 | 59% |
|---|
| TomorrowOvercast | Good | 10°/4° | 1° | 21/26 | 0% |
|---|
| Fri 30Fog | Good | 11°/1° | -1° | 21/26 | 2% |
|---|
| Sat 31Fog | Good | 6°/1° | -1° | 8/10 | 0% |
|---|
| Sun 1Light drizzle | Good | 6°/4° | 2° | 15/18 | 2% |
|---|
| Mon 2Overcast | Good | 8°/4° | 1° | 17/23 | 0% |
|---|
| Tue 3Overcast | Good | 7°/2° | -1° | 12/20 | 2% |
|---|
Y Gyrn 14-day weather forecast: days 8 to 13, less certain
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| Wed 4Overcast | Good | 8°/1° | -2° | 13/16 | 0% |
|---|
| Thu 5Partly cloudy | Good | 6°/1° | -2° | 15/23 | 3% |
|---|
| Fri 6Fog | Good | 6°/-1° | -4° | 20/25 | 6% |
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| Sat 7Fog | Good | 6°/1° | -2° | 21/26 | 12% |
|---|
| Sun 8Fog | Good | 4°/-1° | -4° | 19/25 | 14% |
|---|
| Mon 9Overcast | Good | 4°/-2° | -6° | 19/24 | 24% |
|---|
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Y Gyrn each morning this week, from overnight temperature, humidity and low cloud below the 619m summit.
Dark sky · 7 days
How dark the sky gets over Y Gyrn 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 07:01, sunset 16:53
9h 52m of daylight. Golden hour ends 07:50 and starts 16:04. From the summit you see the sun 06:56 to 16:58.
Nearby summits
Close to Y Gyrn
About Y Gyrn
Y Gyrn is 619 m (2,030 ft) high with 27 m of prominence. It is in Brecon Beacons, Wales. It is the 31st highest of the 36 summits Peakify lists in Brecon Beacons. The nearest summits are Craig Gwaun Taf (1.9 km), Corn Du (1.8 km) and Pen y Fan (2.3 km).
How high is Y Gyrn?
Y Gyrn is 619 metres high with 27 metres of prominence.
Where is Y Gyrn?
Y Gyrn is listed in Brecon Beacons, Wales.
Are there routes for Y Gyrn?
Peakify lists 3 routes for Y Gyrn, including available distance, ascent, start point, and difficulty details. The easiest is South Ridge Path (3.5km, Moderate).
Is it safe to climb Y Gyrn 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 is the weather on Y Gyrn tomorrow?
Thursday 29 October: overcast, up to 10°C at the summit, feeling as cold as 1°C, summit wind 21 mph gusting 26 mph, 0% chance of rain. Rated Good.
What is the weather on Y Gyrn this weekend?
Saturday 31 October: fog, up to 6°C at the summit, feeling as cold as -1°C, summit wind 8 mph gusting 10 mph, 0% chance of rain. Rated Good. Sunday 1 November: mostly dry, up to 6°C at the summit, feeling as cold as 2°C, summit wind 15 mph gusting 18 mph, 2% chance of rain. Rated Good.
What weather information is shown for Y Gyrn?
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.
