Routes up
Twmpa routes: 4 ways to the top
The Cat's BackHiking · 8km · 400 m ascent · ~2h 15m · from Hay Bluff Car ParkModerate
This route follows the ridge known as The Cat's Back, offering stunning views of the Black Mountains and the Wye Valley.
Hay Bluff to TwmpaHiking · 10km · 450 m ascent · ~2h 45m · from Hay Bluff Car ParkModerate
This route starts at Hay Bluff and follows the Offa's Dyke Path to the summit of Twmpa, providing panoramic views.
Grwyne Fawr Reservoir RouteHiking · 12km · 500 m ascent · ~3h 15m · from Grwyne Fawr ReservoirModerate
This route begins at the Grwyne Fawr Reservoir and ascends to Twmpa via a scenic path through the Black Mountains.
Capel-y-ffin to TwmpaHiking · 9km · 420 m ascent · ~2h 30m · from Capel-y-ffinModerate
Starting from Capel-y-ffin, this route climbs steadily to the summit of Twmpa, offering beautiful views of the surrounding hills.
Summit today
Is it safe to climb Twmpa today?
Twmpa today (updated 06:11, 28 Oct): up to 9°C at the summit, feeling as cold as 0°C, summit wind 33 mph gusting 42 mph, 51% chance of rain. A marginal day for the hills. Best day this week: Saturday, summit gusts 12 mph.
Twmpa weather today
Dense drizzle, up to 9°C at the summit, feeling as cold as 0°C, summit wind 33 mph gusting 42 mph, 51% chance of rain. Rated Marginal.
Twmpa weather tomorrow
Thursday 29 October: overcast, up to 9°C at the summit, feeling as cold as 3°C, summit wind 28 mph gusting 35 mph, 0% chance of rain. Rated Marginal.
Twmpa 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 12 mph, 0% chance of rain. Rated Good.
Sunday 1 November: mostly dry, up to 5°C at the summit, feeling as cold as 0°C, summit wind 24 mph gusting 30 mph, 4% chance of rain. Rated Good.
Twmpa summit forecast, next 7 days
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| TodayDense drizzle | Marginal | 9°/5° | 0° | 33/42 | 51% |
|---|
| TomorrowOvercast | Marginal | 9°/7° | 3° | 28/35 | 0% |
|---|
| Fri 30Overcast | Marginal | 10°/1° | -1° | 28/35 | 0% |
|---|
| Sat 31Fog | Good | 5°/2° | -1° | 10/12 | 0% |
|---|
| Sun 1Light drizzle | Good | 5°/3° | 0° | 24/30 | 4% |
|---|
| Mon 2Light drizzle | Marginal | 7°/4° | 1° | 26/33 | 6% |
|---|
| Tue 3Overcast | Good | 7°/3° | 1° | 21/27 | 4% |
|---|
Twmpa 14-day weather forecast: days 8 to 14, less certain
| Day | Verdict | High/low | Feels like | Wind/gust mph | Rain or snow |
|---|
| Wed 4Fog | Good | 7°/4° | 2° | 13/22 | 4% |
|---|
| Thu 5Overcast | Good | 6°/4° | 1° | 13/20 | 4% |
|---|
| Fri 6Overcast | Good | 6°/3° | 0° | 16/21 | 8% |
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| Sat 7Fog | Good | 7°/1° | -1° | 14/18 | 12% |
|---|
| Sun 8Fog | Good | 4°/0° | -3° | 12/15 | 11% |
|---|
| Mon 9Fog | Good | 4°/-2° | -4° | 16/20 | 16% |
|---|
| Tue 10Fog | Good | 2°/-2° | -4° | 16/20 | 20% |
|---|
Cloud inversion · 7 days
The chance of standing above a sea of cloud on Twmpa each morning this week, from overnight temperature, humidity and low cloud below the 690m summit.
Dark sky · 7 days
How dark the sky gets over Twmpa 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 Twmpa
About Twmpa
Twmpa is 690 m (2,264 ft) high with 79 m of prominence. It is in Brecon Beacons, Wales. It is the 18th highest of the 36 summits Peakify lists in Brecon Beacons. The nearest summits are Twyn Tal-y-cefn (2.6 km), Rhos Dirion (2.1 km) and Hay Bluff (2.5 km).
How high is Twmpa?
Twmpa is 690 metres high with 79 metres of prominence.
Where is Twmpa?
Twmpa is listed in Brecon Beacons, Wales.
Are there routes for Twmpa?
Peakify lists 4 routes for Twmpa, including available distance, ascent, start point, and difficulty details. The easiest is The Cat's Back (8km, Moderate).
Is it safe to climb Twmpa 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 Twmpa tomorrow?
Thursday 29 October: overcast, up to 9°C at the summit, feeling as cold as 3°C, summit wind 28 mph gusting 35 mph, 0% chance of rain. Rated Marginal.
What is the weather on Twmpa this weekend?
Saturday 31 October: fog, up to 5°C at the summit, feeling as cold as -1°C, summit wind 10 mph gusting 12 mph, 0% chance of rain. Rated Good. Sunday 1 November: mostly dry, up to 5°C at the summit, feeling as cold as 0°C, summit wind 24 mph gusting 30 mph, 4% chance of rain. Rated Good.
What weather information is shown for Twmpa?
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.
