Trethomas’ biggest
Parc Glan yr Afon
Park or garden
16 ha (38 acres)1.0 km of path
15 minto walk all 1 km of path
22 pitchesfootball pitches would fit
0.4 mi westfrom the centre
Directionsto the nearest entrance
Photo: Roger Cornfoot · CC BY-SA 2.0B−Outdoors Grade
Outdoors in Trethomas · parks, paths & countryside
Trethomas has more park space per resident than 9 in 10 UK towns
Parks and playing fields in Trethomas add up to 6.9 ha for every 1,000 residents; the typical UK town has 2.1. A park or playing field is within a 5-minute walk for 48% of residents. 21 km of footpaths run through the village and the kilometre around it, 3.4 for every square kilometre. Trethomas grades B− for the outdoors. A character grade: it isn’t part of the overall grade.
Green space
6.9 ha
per 1,000 residents
Typical UK town 2.1
Near a park
48%
of residents within 400 m
Typical UK town 83%
Footpaths
21 km
3.4 km per km², town + 1 km
Typical UK town 3.0 per km²
Protected landscape
0%
of the land within 5 km
Nearest: Brecon Beacons National Park
Character
What kind of outdoors village is Trethomas?
Read from the data: what stands out first, good and bad.
Room to roam6.9 ha of parks and playing fields per 1,000 residents, more than 92% of UK towns.On a National TrailThe Cambrian Way passes through.Parks can be a walk away52% of residents live more than 400 m from a park or playing field.
Trethomas’ strongest suit is plenty of park space, followed by the Cambrian Way. Where it falls short is how far some homes are from a park.
Outdoors grade
Trethomas grades B− for the outdoors
Each chart is every UK town of 1,000 or more on one measure: the green bar is Trethomas, the dashed line the typical town. The number is the share of towns it beats; the five are averaged and the average ranked again.
B−
Better than 45% of UK towns32nd of 60 UK villages its size
Public green space6.9 haper 1,000 residents: parks, gardens, playing fields, play spaces
92out of
100
100
A park within a walk48%of residents within 400 m (a 5-minute walk)
12out of
100
100
National Park or National Landscape0%of the land within 5 km · None within 5 km
31out of
100
100
Footpaths3.4 kmper km², the town and 1 km around it
68out of
100
100
The sea0%of the area within 5 km · Inland
42out of
100
100
Graded, never part of the overall grade (like History and Civic life). It measures what is mapped: OS Open Greenspace leaves out woodland and open-access land that isn’t a park, and OpenStreetMap’s rural paths are more complete in some places than others.
Villages its size
Trethomas is 32nd of 60 UK villages its size for the outdoors
The 60 UK towns and cities of 1,600 to 1,800 people with an Outdoors Grade. Hover a dot for its figures; tap one for its page.
Outdoors score: the share of UK towns each one beats
Footpath, km per km²
Trethomas3.4
Villages its size2.2
Gwent towns2.7
All UK towns3.0
Green space, ha per 1,000 residents
Trethomas6.9
Villages its size1.9
Gwent towns2.5
All UK towns2.1
Residents within 400 m of a park
Trethomas48%
Villages its size80%
Gwent towns85%
All UK towns83%
Against villages its size, Trethomas stands out most for park space per resident: only 5 of the other 59 have more. It falls furthest behind on homes near a park, where 46 of the others do better.
Show as a table
| Town | Outdoors | Green space | Near a park | Path per km² | Protected | |
|---|---|---|---|---|---|---|
| 1 | Pease Pottage West Sussex | A+ | 4.1 | 100% | 7.4 | 65% |
| 2 | Wanborough Wiltshire | A+ | 6 | 100% | 2.7 | 45% |
| 3 | Trimley St Martin Suffolk | A+ | 1.7 | 100% | 2.9 | 43% |
| 4 | Penwithick Cornwall | A | 15 | 100% | 2.8 | 0% |
| 5 | Wroxall Isle of Wight | A | 1.2 | 84% | 4.6 | 33% |
| 6 | Eccles Kent | A | 3.7 | 100% | 2.4 | 30% |
| 7 | Elstree Hertfordshire | A | 22 | 100% | 3.5 | 0% |
| 8 | Hutton Somerset | A | 1.8 | 100% | 2.2 | 22% |
| 9 | Flimby Cumbria | A | 1.7 | 100% | 2.3 | 2% |
| 10 | Grain Kent | A | 13 | 100% | 1.1 | 0% |
| 11 | Southwell Dorset | A | 0.7 | 100% | 5.4 | 0% |
| 12 | Upchurch Kent | A | 4 | 76% | 2.3 | 7% |
| 13 | Wickwar Gloucestershire | A− | 2 | 100% | 3.5 | 15% |
| 14 | Hamstreet Kent | A− | 2.3 | 100% | 3.4 | 0% |
| 15 | Seascale Cumbria | A− | 2.1 | 81% | 2.2 | 27% |
| 16 | Clayhanger West Midlands | A− | 17.4 | 100% | 2.6 | 0% |
| 17 | Bathampton Somerset | A− | 1 | 85% | 5.5 | 62% |
| 18 | Ripley Surrey | A− | 15 | 64% | 3.6 | 2% |
| 19 | Harthill South Yorkshire | B+ | 3.6 | 100% | 2.9 | 0% |
| 20 | Appledore Devon | B+ | 1.2 | 100% | 1.6 | 16% |
| 21 | Starcross Devon | B+ | 1.9 | 100% | 0.9 | 1% |
| 22 | Aldbourne Wiltshire | B+ | 3.2 | 84% | 1.8 | 100% |
| 23 | Kingsdown Kent | B+ | 1.1 | 67% | 3.4 | 12% |
| 24 | Criccieth Gwynedd | B | 2.9 | 75% | 1.3 | 4% |
| 25 | Blewbury Oxfordshire | B | 3.1 | 54% | 2.7 | 79% |
| 26 | Bryn Dyfed | B− | 2.9 | 67% | 1.4 | 1% |
| 27 | Streethouse West Yorkshire | B− | 2.2 | 100% | 2.5 | 0% |
| 28 | Flockton West Yorkshire | B− | 2.4 | 100% | 2.2 | 0% |
| 29 | Shaldon Devon | B− | 1.7 | 85% | 2.2 | 0% |
| 30 | Woodsetts South Yorkshire | B− | 2 | 100% | 2.6 | 0% |
| 31 | Summit Greater Manchester | B− | 1.9 | 100% | 2.5 | 0% |
| 32 | Trethomas Gwent | B− | 6.9 | 48% | 3.4 | 0% |
| 33 | Feniton Devon | C+ | 1.3 | 100% | 1.4 | 17% |
| 34 | Dunvant West Glamorgan | C+ | 4.3 | 36% | 1.8 | 30% |
| 35 | Langho Lancashire | C+ | 1.6 | 74% | 3 | 7% |
| 36 | Pilling Lancashire | C+ | 4.2 | 46% | 1.8 | 0% |
| 37 | North Leigh Oxfordshire | C+ | 2.3 | 56% | 2.4 | 26% |
| 38 | Harvington Worcestershire | C+ | 2.6 | 100% | 0.8 | 0% |
| 39 | Minsterley Shropshire | C+ | 1.1 | 77% | 2.4 | 38% |
| 40 | Poyle Berkshire | C− | 0.7 | 100% | 2 | 0% |
| 41 | Leeming North Yorkshire | C− | 5 | 76% | 0.5 | 0% |
| 42 | West Thorney West Sussex | C− | 0.4 | 0% | 0.9 | 55% |
| 43 | Embsay North Yorkshire | C− | 0.9 | 38% | 2.5 | 47% |
| 44 | High Bentham North Yorkshire | C− | 0.1 | 0% | 2.9 | 45% |
| 45 | Lower Quinton Warwickshire | C− | 2 | 49% | 1.3 | 18% |
| 46 | Modbury Devon | C− | 1.7 | 39% | 1.2 | 41% |
| 47 | Higher Kinnerton Clwyd | C− | 0.7 | 100% | 1.2 | 0% |
| 48 | Sudbrooke Lincolnshire | C− | 1.5 | 82% | 1.8 | 0% |
| 49 | Charminster Dorset | D | 0.3 | 0% | 2 | 56% |
| 50 | Holt Wiltshire | D | 1.1 | 45% | 2.1 | 2% |
| 51 | Shrewton Wiltshire | D | 1.4 | 42% | 1.8 | 0% |
| 52 | Leverington Cambridgeshire | D | 2.8 | 59% | 0.8 | 0% |
| 53 | Houghton on the Hill Leicestershire | D | 1.8 | 60% | 1.7 | 0% |
| 54 | Tiddington Warwickshire | D | 0.2 | 79% | 2.2 | 0% |
| 55 | Point Clear Essex | D | 0.1 | 0% | 1.8 | 0% |
| 56 | Soughton Clwyd | D | 0.4 | 67% | 1.3 | 3% |
| 57 | Monk Fryston and Hillam North Yorkshire | D | 2.7 | 40% | 0.7 | 0% |
| 58 | Welford-on-Avon Warwickshire | D− | 0.4 | 48% | 1.5 | 0% |
| 59 | Swffryd Gwent | D− | 1.4 | 17% | 0.4 | 0% |
| 60 | Hambleton North Yorkshire | D− | 0.1 | 52% | 1.1 | 0% |
The map
Parks, footpaths & countryside
Tap a number to zoom to a park. Tap a layer to hide it. The dashed line is Trethomas’ built-up area.
Green space: parks, gardens, playing fields and play spaces, named or not.© OpenStreetMap contributors · Contains OS data © Crown copyright · Natural England / NRW
Places to walk
Parks to walk in, in and around Trethomas
The biggest is Parc Glan yr Afon, 16 ha (38 acres). Directions go to the park’s nearest public entrance where Ordnance Survey maps one.
Close to home
5 in 10 Trethomas residents live within a 5-minute walk of a park
Each square is 1 in 100 residents: green lives within 400 m of a public park, garden or playing field (Census 2021 output areas against OS Open Greenspace).
Within 400 m (48%)Further (52%)
Trethomas48%
Villages its size80%
Gwent towns85%
All UK towns83%
About 900 people live further than that. Playing fields count, so a park within reach isn’t always one with paths or trees; 8 playgrounds are mapped in and around the village, about one for every 214 residents.
National Parks & National Landscapes
The Brecon Beacons National Park is 9.5 mi away
Protected landscapes within 30 km, by direction and distance from the edge of the built-up area; circle size shows each one’s area. National Landscapes were called Areas of Outstanding Natural Beauty until 2023.
National ParkNational LandscapeThe 5 km the grade counts
National Park
Brecon Beacons
9.5 mi north-east1,350 km²since 1955
Brecon Beacons National Park covers 1,350 km² and has been a National Park since 1955.
Footpaths & waymarked walks
Trethomas is on the Cambrian Way
21 km of footpaths, bridleways and rights of way are mapped in Trethomas and the kilometre around it, 3.4 km for every square kilometre (the typical UK town has 3.0). Bars show each route’s kilometres within 2 km of the village.
NationalRegionalLocal
Rhymney Valley Ridgeway Walk5.1 km
Forge Walk4.6 km
Cambrian Way3.6 km
Rhymney River Circular1.2 km
The Cambrian Way, a national route, passes Trethomas. The regional route here is the Rhymney Valley Ridgeway Walk.
Waymarked walks are OpenStreetMap walking routes. Public rights of way are only as complete as the map in each area.
When to get out
The best walking months in Trethomas: May to September
The village’s 1991–2020 averages (Met Office HadUK-Grid) and the daylight at its latitude. Outlined months have 12½+ hours of daylight, highs of 15 °C or more and little rain for the town.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 8.3 | 9.9 | 11.7 | 13.8 | 15.6 | 16.6 | 16.2 | 14.6 | 12.6 | 10.5 | 8.7 | 7.8 |
| High (°C) | 8 | 8 | 10 | 13 | 17 | 19 | 21 | 21 | 18 | 14 | 10 | 8 |
| Rain (mm) | 158 | 117 | 105 | 86 | 89 | 86 | 97 | 117 | 106 | 154 | 159 | 171 |
June is the driest month (86 mm) and July the warmest (highs of 21 °C). Winter days are short, about 8 hours of daylight in December, and 171 mm of rain falls in December, the wettest month. Frost comes on about 44 nights a year. The climate in Trethomas →
Things to do
8 playgrounds and the nearest beaches
Mapped within 2 km of the village in OpenStreetMap, against the typical UK village its size per resident. Named places are listed with directions; unnamed ones are only counted.
The nearest beaches
Trethomas is inland. These are the nearest named beaches, measured from the edge of the village.
The Bendricks13 mi from Trethomas’ edge
DirectionsPebble Beach15 mi from Trethomas’ edge
DirectionsLadye Bay16 mi from Trethomas’ edge
DirectionsClevedon Beach17 mi from Trethomas’ edge
DirectionsWatch House Beach17 mi from Trethomas’ edge
DirectionsGood to know
Check the water before you swim. Natural Resources Wales tests designated bathing waters from May to September and publishes a rating for each beach.
Up high. Mynydd y Bwlch, at 184 m, is the highest named top within 2 km of Trethomas.
Every named place, with directions
Viewpoints 1
Twyn yr Oerfel1.1 mi from town
DirectionsHills and peaks 2
Mynydd y Bwlch184 m (604 ft) · 0.9 mi from town
DirectionsMynydd Rudry222 m (728 ft) · 1.2 mi from town
DirectionsPlaygrounds 8
Plus 8 playgrounds without a name on the map.
Next door
The outdoors in nearby towns
The nearest towns of 1,000+ within 12 miles. Tap a town for its outdoors page.
BedwasMachenCwmfelinfachLlanbradachCaerphillyRiscaTrethomas
ABCDOutdoors Grade
| Town | Outdoors | Green space, ha per 1,000 | Near a park | Protected within 5 km |
|---|---|---|---|---|
| Trethomas | B− | 6.9 | 48% | 0% |
| Bedwas 1.3 mi | A | 4.4 | 100% | 0% |
| Machen 1.3 mi | A | 3.5 | 100% | 0% |
| Cwmfelinfach 1.7 mi | A− | 24.6 | 100% | 0% |
| Llanbradach 2.8 mi | D− | 1.2 | 52% | 0% |
| Caerphilly 2.9 mi | B | 2.6 | 82% | 0% |
| Risca 3.0 mi | A− | 6.9 | 94% | 0% |
Bedwas, 1.3 miles away, grades A, the best next door: every resident lives within 400 m of a park. Cwmfelinfach has at least twice Trethomas’ green space per resident. None of the neighbours has a protected landscape within 5 km either.
Questions about the outdoors in Trethomas
What is the biggest park in Trethomas?
Parc Glan yr Afon, 16 ha (38 acres), with 1 km of path. 1 named park, garden or playing field is in the village or within 400 m of it.
Is Trethomas near a National Park?
Yes. Brecon Beacons National Park begins 9.5 mi north-east of the village’s edge. It covers 1,350 km² and has been a National Park since 1955.
What are the best walks near Trethomas?
4 waymarked walking routes pass within 2 km of the village, including the Rhymney Valley Ridgeway Walk, Forge Walk and Cambrian Way.
What is the nearest beach to Trethomas?
The Bendricks, 13 mi from the edge of the village, then Pebble Beach (15 mi). Trethomas itself is inland.
How many people in Trethomas live near a park?
48% of residents live within 400 m, about a 5-minute walk, of a public park, garden or playing field (Census 2021 output areas against OS Open Greenspace). The typical UK town is 83%.
When is the best time of year for walking in Trethomas?
May to September: the longest days, the warmest afternoons and the least rain of the year, from the Met Office 1991–2020 averages.
Is Trethomas good for walking?
For paths, yes: 3.4 km of footpath and right of way per square kilometre, more than 68% of UK towns. For park space per person it beats 92% (6.9 ha per 1,000 residents).
How is the Outdoors Grade worked out?
From five measures, each placed among UK towns of 1,000 or more: public green space per resident, the share living near a park, National Park or National Landscape within 5 km, footpaths per square kilometre, and the sea within 5 km. It is a character grade and isn’t part of Trethomas’ overall grade.
Sources
Where Trethomas’ outdoors figures come from
- Parks and green space: Ordnance Survey OS Open Greenspace (parks and gardens, playing fields, play spaces, and their access points). Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
- National Parks and National Landscapes: Natural England and Natural Resources Wales boundaries, areas and designation dates, Open Government Licence v3.0.
- Footpaths, walking routes, beaches and things to do: © OpenStreetMap contributors, Open Database License (ODbL), via Geofabrik, 16 October 2026.
- Historic parks, listed buildings and monuments: Historic England, National Heritage List for England, Open Government Licence v3.0.
- Rain and temperature: Met Office HadUK-Grid 1991–2020 averages for the town; daylight calculated from its latitude.
- The sea: ONS Countries (December 2024) boundaries clipped to mean high water. Residents near a park: ONS Census 2021 output areas.
- Grade: TownRatings’ Outdoors Grade, ranked against UK towns only.
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.