Routes up
Rhos Dirion routes: 4 ways to the top
Grwyne Fawr Reservoir RouteHiking · 15km · 600 m ascent · ~4h 0m · from Grwyne Fawr ReservoirModerate
This route takes you through the scenic Grwyne Fawr valley, offering expansive views of the Black Mountains.
Waun Fach CircularHiking · 18km · from CwmduModerate
This circular route includes a visit to Waun Fach, the highest point in the Black Mountains, before reaching Rhos Dirion.
Hay Bluff to Rhos DirionHiking · 12km · 500 m ascent · ~3h 15m · from Hay BluffModerate
Starting from Hay Bluff, this route traverses the ridge to reach Rhos Dirion, offering breathtaking views along the way.
Black Mountains Ridge WalkHiking · 20km · from Capel-y-ffinHard
This challenging ridge walk covers several peaks in the Black Mountains, including Rhos Dirion, with stunning panoramic views.
Summit today
Is it safe to climb Rhos Dirion today?
Rhos Dirion today (updated 12:11, 28 Oct): up to 9°C at the summit, feeling as cold as 0°C, summit wind 31 mph gusting 39 mph, 75% chance of rain. A marginal day for the hills. Best day this week: Saturday, summit gusts 13 mph.
Rhos Dirion weather today
Moderate drizzle, up to 9°C at the summit, feeling as cold as 0°C, summit wind 31 mph gusting 39 mph, 75% chance of rain. Rated Marginal.
Rhos Dirion weather tomorrow
Thursday 29 October: overcast, up to 9°C at the summit, feeling as cold as 1°C, summit wind 31 mph gusting 39 mph, 2% chance of rain. Rated Marginal.
Rhos Dirion weather this weekend
Saturday 31 October: fog, up to 5°C at the summit, feeling as cold as -1°C, summit wind 10 mph gusting 13 mph, 0% chance of rain. Rated Good.
Sunday 1 November: fog, up to 6°C at the summit, feeling as cold as 0°C, summit wind 23 mph gusting 29 mph, 2% chance of rain. Rated Good.
Rhos Dirion summit forecast, next 7 days
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| TodayModerate drizzle | Marginal | 9°/5° | 0° | 31/39 | 75% |
|---|
| TomorrowOvercast | Marginal | 9°/7° | 1° | 31/39 | 2% |
|---|
| Fri 30Fog | Marginal | 10°/1° | -1° | 31/39 | 0% |
|---|
| Sat 31Fog | Good | 5°/1° | -1° | 10/13 | 0% |
|---|
| Sun 1Fog | Good | 6°/3° | 0° | 23/29 | 2% |
|---|
| Mon 2Overcast | Good | 6°/0° | -3° | 19/24 | 10% |
|---|
| Tue 3Overcast | Good | 6°/1° | -2° | 13/17 | 4% |
|---|
Rhos Dirion 14-day weather forecast: days 8 to 14, less certain
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| Wed 4Light drizzle | Marginal | 7°/4° | 1° | 26/33 | 4% |
|---|
| Thu 5Fog | Marginal | 5°/1° | -2° | 27/34 | 2% |
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| Fri 6Fog | Marginal | 6°/-1° | -4° | 25/31 | 2% |
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| Sat 7Light drizzle | Good | 4°/-1° | -4° | 20/25 | 10% |
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| Sun 8Light drizzle | Marginal | 9°/3° | 0° | 33/41 | 15% |
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| Mon 9Slight rain showers | Poor | 11°/8° | 5° | 43/54 | 18% |
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| Tue 10Slight rain showers | Poor | 11°/5° | 1° | 49/61 | 22% |
|---|
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Rhos Dirion each morning this week, from overnight temperature, humidity and low cloud below the 713m summit.
Dark sky · 7 days
How dark the sky gets over Rhos Dirion 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 07:00, sunset 16:52
9h 52m of daylight. Golden hour ends 07:49 and starts 16:02. From the summit you see the sun 06:54 to 16:57.
Nearby summits
Close to Rhos Dirion
About Rhos Dirion
Rhos Dirion is 713 m (2,341 ft) high with 22 m of prominence. It is in Brecon Beacons, Wales. It is the 16th highest of the 36 summits Peakify lists in Brecon Beacons. The nearest summits are Twyn Tal-y-cefn (1.2 km), Twmpa (2.1 km) and Waun Fach (3.4 km).
How high is Rhos Dirion?
Rhos Dirion is 713 metres high with 22 metres of prominence.
Where is Rhos Dirion?
Rhos Dirion is listed in Brecon Beacons, Wales.
Are there routes for Rhos Dirion?
Peakify lists 4 routes for Rhos Dirion, including available distance, ascent, start point, and difficulty details. The easiest is Grwyne Fawr Reservoir Route (15km, Moderate).
Is it safe to climb Rhos Dirion 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 Rhos Dirion tomorrow?
Thursday 29 October: overcast, up to 9°C at the summit, feeling as cold as 1°C, summit wind 31 mph gusting 39 mph, 2% chance of rain. Rated Marginal.
What is the weather on Rhos Dirion this weekend?
Saturday 31 October: fog, up to 5°C at the summit, feeling as cold as -1°C, summit wind 10 mph gusting 13 mph, 0% chance of rain. Rated Good. Sunday 1 November: fog, up to 6°C at the summit, feeling as cold as 0°C, summit wind 23 mph gusting 29 mph, 2% chance of rain. Rated Good.
What weather information is shown for Rhos Dirion?
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.