Daylight through the yearLongest day (Jun 21): 16 h 41 min4:55 am – 9:35 pmShortest day (Dec 21): 7 h 48 min8:17 am – 4:05 pm
Sun todaySunrise –Sunset –
People7,249 residentsin the Mountain Ash census areaMedian age 42.73,304 households66% of homes owner-occupied39% owned outright15% social rented, 18% private rentedSource: Office for National Statistics, Census 2021
Work and commuting6.3% unemployment rate54% of adults are economically active, 2,996 in work, 25% retiredMain industries: health and social work 17%, retail and wholesale 14%, construction 13%Getting to work: 18% work from home, 69% go by car, 5% take public transport, 7% walk or cycle53% of those who travel work within 10 km of homeSource: Office for National Statistics, Census 2021
Education and languages23% of adults hold a degree or higher26% have no qualifications, 6% an apprenticeshipMain language: English or Welsh 99%Source: Office for National Statistics, Census 2021
ClimateWarmest month July: highs 20°C, lows 12°CColdest month February: highs 7°C, lows 1°C2,024 mm of rain a year, 69 days with 10 mm or morewettest month December45 days of air frost, 7 summer days above 25°C in a typical yearSource: Met Office HadUK-Grid 1991-2020 averages, 2 km grid (highs and lows from the 12 km grid)
Nearby landmarksMynydd Gethinmountain · 2.2 miSt Tydfil Forestforest · under a milePen-y-lan Hillmountain · 2.8 miCwm Cynonvalley · under a mileTwyn Brynbychanhill · under a mileSt Gwynno Forestforest · 2.1 miSource: Ordnance Survey Open Names
Parks and green spacesVictoria Pleasure Groundspark · under a mile · 3 haCaerdrawnant Recreation Groundplaying field · under a mile · 6 haMountain Ash Golf Coursegolf course · 1.2 mi · 31 haParc Aberpennarplaying field · under a mileBryn Ifor Allotmentallotments · under a mileTreharris Parkpark · 2.6 mi · 7 haSource: Ordnance Survey Open Greenspace
Earthquakes99 of magnitude 2 or more within 50 miles since 197018 of magnitude 3+, 3 of magnitude 4+Largest: magnitude 4.0 on 17 Feb 201821 mi away, Cwmllynfell, NptMost recent: magnitude 2.0 on 12 May 202647 mi away, Llanbister, PowysSource: British Geological Survey earthquake database
Air qualityNO2 6.3 · PM2.5 5.3 · PM10 8.2 µg/m³annual mean concentrations, 2024Within UK limits, above the WHO guideline for PM2.5Source: DEFRA modelled background pollution maps 2024, 1 km grid
Broadband92% of premises can get gigabit-capable broadband99% can get superfast (30 Mbit/s or more)Every premises can get at least 10 Mbit/s (the universal service obligation)3,724 residential premises in the census areaSource: Ofcom Connected Nations, July 2025
Elevation111 m364 ft above sea levelLand within 1 km ranges from 96 to 393 mSource: Ordnance Survey, OS Terrain 50
Local servicesHospitalPrince Charles Hospital5.7 miGP surgeryMeddygfa Glan Cynon Surge3 surgeries within 2 milesunder a milePharmacyKnights Mountain Ash Pharmacy5 pharmacies within 2 milesunder a mileDentistDental Surgeryunder a mileSource: NHS Organisation Data Service
SchoolsWithin 2 mi13 schools12 primary, 1 secondaryPrimaryOur Lady's R.C.118 pupilsunder a milePrimaryCaegarw Primary School167 pupilsunder a mileSecondaryMountain Ash Comprehensive School909 pupilsunder a mileSource: Welsh Government, address list of schools
Getting aroundAirportCardiff International Airport CWL20 miRailway stationMountain Ashunder a mileBus stationTreharris Bus Station 13.1 miFerryCardiff Castle Waterbus Stop16 miBus stops44 within a mileSources: Department for Transport NaPTAN; OurAirports
Distances in these cards are measured from the centre of the CF45 postcode district.
