Penallta Rocks
Climbing area · UK
Sandstone: never climbed wet, it breaks.
Is it worth the trip?
57Fair out of 100 for your dates
Best on Fri 6: Rock dry, Rock about 11 °C
Tue 3 · 43 out of 100
- Rock
- Dry?
- Rock temp
- 13°C
- Air
- 10°C
- Rain
- 0 mm
Wed 4 · 39 out of 100
- Rock
- Dry?
- Rock temp
- 9°C
- Air
- 9°C
- Rain
- 0.1 mm
Thu 5 · 75 out of 100
- Rock
- Dry
- Rock temp
- 8°C
- Air
- 8°C
- Rain
- 0 mm
Fri 6 · 81 out of 100
- Rock
- Dry
- Rock temp
- 11°C
- Air
- 8°C
- Rain
- 0 mm
Sat 7 · 79 out of 100
- Rock
- Dry
- Rock temp
- 9°C
- Air
- 9°C
- Rain
- 0 mm
Sun 8 · 0 out of 100
- Rock
- Wetdo not climb
- Rock temp
- 7°C
- Air
- 8°C
- Rain
- 0.3 mm
Mon 9 · 0 out of 100
- Rock
- Wetdo not climb
- Rock temp
- 7°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- Tue 343, poor
- Wed 439, poor
- Thu 575, good
- Fri 681, good
- Sat 779, good
- Sun 80, poor
- Mon 90, poor
- Tue 1041, poor
- Wed 1175, good
- Thu 1277, good
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 |
|---|---|---|---|---|---|
| Tue 3Nov* | 43, poor | Dry? | 13°C | 10°C | 0 mm |
| Wed 4Nov* | 39, poor | Dry? | 9°C | 9°C | 0.1 mm |
| Thu 5Nov | 75, good | Dry | 8°C | 8°C | 0 mm |
| Fri 6Nov | 81, good | Dry | 11°C | 8°C | 0 mm |
| Sat 7Nov | 79, good | Dry | 9°C | 9°C | 0 mm |
| Sun 8Nov | 0, poor | Wetdo not climb | 7°C | 8°C | 0.3 mm |
| Mon 9Nov | 0, poor | Wetdo not climb | 7°C | 9°C | 0 mm |
| Tue 10Nov | 41, poor | Wetdo not climb | 9°C | 7°C | 0 mm |
| Wed 11Nov | 75, good | Dry | 7°C | 6°C | 0 mm |
| Thu 12Nov | 77, good | Dry | 7°C | 7°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 Wed 4 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.
The map needs JavaScript. Every place on it is listed on this page, and each place's page links to Google Maps.
One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors, terrain © Mapterhorn.
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 2 November 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$450–US$926 |
| Hire car | 6 days, shared | about US$141–US$235 |
| Stay | 6 nights, a mid-range double, shared | about US$322–US$543 |
| Food | 7 days eating out | about US$315–US$584 |
| Climbing instructor | 1 day with an instructor, shared; leave it out if you climb on your own | about US$134–US$242 |
| 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
Ad Links marked Ad may pay us if you book. You pay the same, and they never change a score. How we earn
about 5 min by car · 4 places to stay
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 2 November 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 · AviasalesAdeSIM for your phone · Search on AiraloAd
An estimate, one way; the journey never changes the score.
On the rock
Saved: this link opens the same trip
The link holds the trip itself: nothing about you is kept. Check the forecast again before you book.