Penallta Rocks
Climbing area · UK
Sandstone: never climbed wet, it breaks.
Is it worth the trip?
62Good out of 100 for your dates
Best on Tue 3: Rock dry, Rock about 13 °C
Mon 2 · 0 out of 100
- Rock
- Wetdo not climb
- Rock temp
- 9°C
- Air
- 9°C
- Rain
- 0 mm
Tue 3 · 89 out of 100
- Rock
- Dry
- Rock temp
- 13°C
- Air
- 10°C
- Rain
- 0 mm
Wed 4 · 75 out of 100
- Rock
- Dry
- Rock temp
- 9°C
- Air
- 9°C
- Rain
- 0 mm
Thu 5 · 75 out of 100
- Rock
- Dry
- Rock temp
- 8°C
- Air
- 8°C
- Rain
- 0 mm
Fri 6 · 76 out of 100
- Rock
- Dry
- Rock temp
- 8°C
- Air
- 8°C
- Rain
- 0 mm
Sat 7 · 0 out of 100
- Rock
- Wetdo not climb
- Rock temp
- 6°C
- Air
- 7°C
- Rain
- 0.6 mm
Sun 8 · 0 out of 100
- Rock
- Wetdo not climb
- Rock temp
- 10°C
- Air
- 9°C
- Rain
- 0 mm
Tap a day for rock, its warmth, the air and rain. Full forecast
Forecast: next 10 days
Full forecast- Sun 145, fair
- Mon 20, poor
- Tue 389, good
- Wed 475, good
- Thu 575, good
- Fri 676, good
- Sat 70, poor
- Sun 80, poor
- Mon 90, poor
- Tue 100, poor
The spot in three facts
- 1 cragmapped within 5 km
- Sandstonenever climbed wet
- Best Jan, Apr–May, Aug3 good days in 7
Full forecast
every day, every number
The score doesn't know loose rock, seepage, access bans or your skill.
| Day | Score | Rock | Rock temp | Air | Rain |
|---|---|---|---|---|---|
| Sun 1Nov* | 45, fair | Dry? | 12°C | 11°C | 0 mm |
| Mon 2Nov | 0, poor | Wetdo not climb | 9°C | 9°C | 0 mm |
| Tue 3Nov | 89, good | Dry | 13°C | 10°C | 0 mm |
| Wed 4Nov | 75, good | Dry | 9°C | 9°C | 0 mm |
| Thu 5Nov | 75, good | Dry | 8°C | 8°C | 0 mm |
| Fri 6Nov | 76, good | Dry | 8°C | 8°C | 0 mm |
| Sat 7Nov | 0, poor | Wetdo not climb | 6°C | 7°C | 0.6 mm |
| Sun 8Nov | 0, poor | Wetdo not climb | 10°C | 9°C | 0 mm |
| Mon 9Nov | 0, poor | Wetdo not climb | 5°C | 7°C | 0.3 mm |
| Tue 10Nov | 0, poor | Wetdo not climb | 10°C | 10°C | 0 mm |
* Rain before today is not known: the forecast starts today, so these days are scored from a dry start and a wet one.
Rock and air are in °C, the rock's with the sun on it; rain in mm. More
Forecast updated . It refreshes every three hours. Forecast data: ECMWF, DWD, Météo-France and NOAA, served by Open-Meteo.com (CC BY 4.0). Changed by us. Generated using E.U. Copernicus Marine Service Information.
Best time to go
best Jan, Apr–May, Aug
Good climbing days in a typical week, each month, from 2016 on (ERA5 history scored the same way).
- Jan3of 7: a trip from Sat 2 Jan
- Feb2of 7: a trip from Sat 6 Feb
- Mar2of 7: a trip from Sat 6 Mar
- Apr3of 7: a trip from Sat 3 Apr
- May3of 7: a trip from Sat 1 May
- Jun2of 7: a trip from Sat 5 Jun
- Jul2of 7: a trip from Sat 3 Jul
- Aug3of 7: a trip from Sat 7 Aug
- Sep2of 7: a trip from Sat 4 Sept
- Oct2of 7: a trip from Sat 2 Oct
- Nov2of 7: a trip from Mon 2 Nov
- Dec2of 7: a trip from Sat 5 Dec
Tap a month to see this spot for a trip then.
Typical weather, not a forecast.
Map
the area and its town
Penallta Rocks on Google Maps · Directions
Each place wears its best day on these dates: green good, amber fair, pale red poor, as the key says.
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One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.
About
the place in full, sources, credits
About Penallta Rocks
1 crag mapped. Sandstone: never climbed wet, it breaks. The nearest town to stay in is Ystrad Mynach.
- Crags 1 crag mapped.
- Rock Sandstone: never climbed wet, it breaks.
From OpenStreetMap: the crags mapped within 5 km. Check access and bans locally.
Crags: © OpenStreetMap contributors (ODbL).
The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).
Rough cost (estimate): about US$1,360–US$2,530 each
about US$1,360–US$2,530 each · 6 nights, 2 sharing: flights, hire car, stay, food, climbing instructor.
Our estimate from typical public prices, not a quote: check the real prices before you book (where they come from). Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.
How we worked it out
| What | How we worked it out | Each |
|---|---|---|
| Flights | return ORD to LHR, estimated from distance and season, 3 airlines on the route, with a hold bag | about US$449–US$925 |
| Hire car | 6 days, shared | about US$141–US$234 |
| Stay | 6 nights, a mid-range double, shared | about US$322–US$543 |
| Food | 7 days eating out | about US$315–US$583 |
| Climbing instructor | 1 day with an instructor, shared; leave it out if you climb on your own | about US$134–US$241 |
| Total | about US$1,360–US$2,530 |
Climbers bring their own kit: it is not in the cost. Prices from public sources, checked in 2026.
Where to stay: Ystrad Mynach
1 min by car
about US$121/nightcountry average
About Ystrad Mynach its beds, food and every spot near it
About US$121 a night is our estimate of the country's average 2-star double room that month: not each town's price, and not a quote. Drives are estimates. Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.
Getting there: about 16h 05m
About 16h 05m door to door from Chicago
Fly ORD → LHR, direct, then 3h 40m by road
Flights ORD → LHR on your dates · Skyscanner
An estimate, one way; the journey never changes the score.