- Elevation
- 166 m
- above sea level
- Local time
- UTC+00:00
- Europe/London · UTC+00:00
- Airports
- CWL Cardiff International Airport50 km
- BRS Bristol Airport86 km
About Pen Alltwen
Pen Alltwen is a mountain. Location: Cilybebyll, Neath Port Talbot. Elevation: 166 m. The best months to visit are June–August. The nearest airport is Cardiff International Airport (50 km). Nearby sights include Cefnllan and Mynydd Gellionnen.
Photos of Pen Alltwen
Climate of Pen Alltwen
Best months for sightseeingBest months for sightseeing: June–August.
This month · November
A wet month
Day 10° · Night 5° · Rain 152 mm
- Hottest month
- July (day 19°)
- Coldest month
- February (night 2°)
- Wettest month
- November (152 mm)
- Driest month
- May (75 mm)
Bars: average monthly low and high temperature. Below: precipitation. Monthly averages for 1970–2000 at about 18 km resolution, adjusted for elevation. Highlighted months are mild and relatively dry. Source: WorldClim 2.1 (CC BY 4.0).
Show values as a table
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high (°C) | 7° | 7° | 9° | 12° | 15° | 17° | 19° | 19° | 17° | 14° | 10° | 8° |
| Average low (°C) | 2° | 2° | 3° | 4° | 7° | 10° | 12° | 12° | 10° | 8° | 5° | 3° |
| Precipitation (mm) | 144 | 101 | 109 | 80 | 75 | 83 | 82 | 101 | 113 | 136 | 152 | 148 |
How to get to Pen Alltwen
The nearest airport is Cardiff International Airport (CWL), 50 km to the southeast as the crow flies. The nearest large city is Swansea, 13 km to the southwest.
Airports
- Cardiff International Airport (CWL) Cardiff 50 kmsoutheast
- Bristol Airport (BRS) Bristol 86 kmsoutheast
- Exeter International Airport (EXT) Exeter, Devon 113 kmsouth
Nearby large cities
- Swansea Population: 300.4K 13 kmsouthwest
- Cardiff Population: 372.1K 53 kmsoutheast
- Newport Population: 161.5K 60 kmeast
- Bristol Population: 479K 91 kmeast
- Bath Population: 101.6K 109 kmeast
Straight-line distances; road distances are longer. Airport data: OurAirports.
Day trips from Pen Alltwen
Within 100 km: 855 historic and cultural sites, 2,059 natural sites, 188 lakes, rivers and coasts.
0–25 km233 places
- Middle Head Island 19 kmSW
- Trichrug Mountain 19 kmN
- Fan Gyhirych Mountain 21 kmNE
- Black Mountain Mountain 17 kmN
25–60 km984 places
- Worms Head Island 38 kmSW
- Caldey Island Island 60 kmW
- Barry Island Island 53 kmSE
- Sully Island Island 57 kmSE
60–100 km1,885 places
- Poppit Sands Beach 73 kmNW
- Saunton Sands Beach 74 kmS
- Mouthmill Beach Beach 89 kmSW
- Putsborough Beach Beach 69 kmSW
Straight-line distances.
Nearest towns and villages
-
Pontardawe Village, Pontardawe1 km W -
Gellinudd Village, Cilybebyll0.6 km NE
-
Cilybebyll Village, Cilybebyll0.7 km NE
-
Alltwen Village, Cilybebyll0.9 km SW
-
Rhos Village, Cilybebyll1 km SE
-
Ynysmeudwy Neighbourhood, Pontardawe1.7 km N
Nearby attractions & nature
Everything nearby-
Cefnllan Mountain, Pontardawe2.4 km NW
-
Mynydd Gellionnen Mountain, Pontardawe3 km W
-
Mynydd Marchywel Mountain, Cilybebyll3.6 km E
-
Mynydd Drumau Mountain, Dyffryn Clydach3.7 km S
-
Craig yr Allt Mountain, Mawr4.1 km W
-
Mynydd Marchywel North Top Mountain, Cilybebyll4.6 km NE
-
Cefn Gwrhyd Mountain, Pontardawe4.8 km N
-
Mynydd Allt-y-grug Mountain, Ystalyfera4.8 km NE
Sources & licences
Data last updated:

