Walks you can reach from Mountain Ash by train

Glamorgan · Wales

Map

A day hike is just a simple train journey away — plan your next day of green.

Alternatively, view walks directly from Mountain Ash.

Aberdare
20250816-191124 by aderixon

Aberdare Circular via Aberdare Park (Glamorgan)

15 minutes direct from Mountain Ash.

Easy walk through Aberdare town centre to Aberdare Park, with an optional extension to Dare Valley Country Park.

Aberdare Park: Historic Victorian public park with play areas, wildlife and an ornamental pond.

Dare Valley Country Park: Country park in a reclaimed mining valley to the west of Aberdare; an optional walk extension.

Time: 2h30 (1h walking, 1h30 lunch)

1 lunch spot: Aberdare Park Café

Warnings: Follows a busy road for a fifth of the walk.

Walk details: Transport for Wales (tips, photos and turn-by-turn directions).

Moderate
4
KM
Cardiff
Cardiff Castle by tom_2014

Cardiff Circular via Cardiff Bay Barrage (Glamorgan)

1 hour direct from Mountain Ash.

Flat Wales Coast Path circuit around Cardiff Bay out to the barrage, with views back to Cardiff, Flatholm Island and across to Devon on a clear day.

Waterway: four fifths beside rivers and canals.

Wales Millennium Centre: Landmark bronze-clad arts centre on the Cardiff Bay waterfront.

Pierhead Building: Grade I listed red-brick Victorian dock office on the bay.

Senedd: Welsh Government parliament building on the Cardiff Bay waterfront.

Norwegian Church: White-painted timber church built for Norwegian sailors, now an arts centre.

Captain Scott Monument: Memorial to Captain Scott's 1910 Antarctic expedition, which set sail from Cardiff.

Cardiff Bay Barrage: Tidal barrage closing off Cardiff Bay, with a wide promenade across it.

Time: 3h (1h30 walking, 1h30 lunch)

1 lunch spot: Mermaid Quay

Warnings: Lower waterside path is not fully accessible due to its surface.

Walk details: Transport for Wales (tips, photos and turn-by-turn directions).

Gentle
6
KM
Trehafod
20251213-100934 by aderixon

Trehafod to Pontypridd (Glamorgan)

15 minutes direct from Mountain Ash.

Flat tarmac route between Trehafod and Pontypridd stations through Rhondda Heritage Park, Barry Sidings Country Park and Pontypridd town centre.

Waterway: three fifths along the Afon Rhondda.

Woodland: half under tree cover.

Rhondda Heritage Park: A former colliery turned mining museum at Trehafod, telling the story of the Rhondda coalfield.

Barry Sidings Country Park: A reclaimed colliery site in the Rhondda valley, now a country park on the flat path to Pontypridd.

Ynysangharad Park: Pontypridd's main park, home to the National Lido of Wales.

Time: 2h30 (1h walking, 1h30 lunch)

1 lunch spot: Barry Sidings Country Park Café

Walk details: Transport for Wales (tips, photos and turn-by-turn directions).

Moderate
5
KM
Cardiff
The Pelican by CoasterMadMatt

Cardiff to Barry (Glamorgan)

1 hour direct from Mountain Ash.

Recommended

Time: 6h30 (5h walking, 1h30 lunch)

Walk details: Railwalks.

21
KM
Abercynon
20250302-143312 by aderixon

Abercynon to Caerphilly (Glamorgan)

9 minutes direct from Mountain Ash.

Stunning views across the valleys and down to Penarth, Steepholm and the Bristol Channel. A varied valley route following the Taff Trail along the flat, then a long, lung-testing climb through Cilfynydd and up the mountain via fields and the Eglwysilan mountain road and with a moorland crossing over Mynydd Meio. The moorland section is boggy and not clearly marked; the rest is mostly good going on quiet lanes and tracks. Follows the Taff Trail between Abercynon and Cilfynydd.

Time: 6h (4h30 walking, 1h30 lunch)

Lunch: Refreshment options are scarce along the route; the Rose & Crown at Eglwysilan appears permanently closed.

1 end-of-walk reward: the Angel

Warnings: The footpath across Mynydd Meio is unclear, boggy and not well marked, with a stream and bracken that may force detours; not recommended in poor visibility. Can be muddy.

Walk details: Slow Ways.

Steep
15
KM
Trefforest
20211204-100743 by aderixon

Trefforest to Ystrad Mynach (Glamorgan)

15 minutes direct from Mountain Ash.

Great views. Mountain paths and with strenuous climbs and descents.

Hilly: two fifths on high ground, rising above the surrounding land.

Time: 5h (3h30 walking, 1h30 lunch)

Walk details: Railwalks.

Steep
14
KM
Trefforest
#nature #castle #wales #caerphilly by rob_hawke

Trefforest to Porth (Glamorgan)

15 minutes direct from Mountain Ash.

Long views. Hill and moorland paths with woodland and with substantial climbs.

Woodland: a third under tree cover.

Time: 5h30 (4h walking, 1h30 lunch)

Walk details: Railwalks.

Steep
13
KM
Cardiff
City Hall by CoasterMadMatt

Cardiff to Newport (Glamorgan)

1 hour direct from Mountain Ash.

Awesome views across the Severn estuary and Gwent Levels. A long, mostly off-road coastal walk along the Wales Coast Path, with sweeping views across the Severn Estuary and Gwent Levels and plus a few stretches along busy roads going in and out of the two cities. Very exposed to the elements throughout. Mostly follows the Wales Coast Path. Wildlife includes kestrels, curlews and grass snakes; 7,000-year-old footprints have been found on the estuary shore. The Lighthouse Inn at St Brides Wentlooge is currently closed.

Coastal: two thirds along the coast.

Time: 8h (6h30 walking, 1h30 lunch)

Lunch: There are no places to get food or water on the route, so bring everything you need.

Warnings: A fifth urban. The route is very exposed, so wind, rain or heat will be strongly felt. There are no refreshment or water stops the whole way, so carry everything you need. A few stretches along busy roads at the city ends.

Walk details: Slow Ways.

Reverse direction: Railwalks.

Gentle
25
KM
Porth
IMG202601160830053.jpg by aderixon

Porth to Fernhill (Glamorgan)

2 minutes direct from Mountain Ash.

Woodland paths; surfaced.

Hilly: a third on high ground, rising above the surrounding land.

Woodland: two fifths under tree cover.

Time: 5h (3h30 walking, 1h30 lunch)

Walk details: Railwalks.

Steep
12
KM
Ystrad Rhondda
IMG202511231503532.jpg by aderixon

Ystrad Rhondda to Cwmbach (Glamorgan)

6 minutes direct from Mountain Ash.

Spectacular walk; panoramic views. Mountain paths with woodland, fields and with strenuous climbs and descents.

Woodland: two fifths under tree cover.

Time: 7h30 (6h walking, 1h30 lunch)

Warnings: Sections can be overgrown.

Walk details: Railwalks.

Steep
15
KM
Tonypandy
Noctilucent Clouds & comet Neowise viewed from Clydach NZ1_4176 by photoguy 2005

Tonypandy to Abercynon (Glamorgan)

9 minutes direct from Mountain Ash.

Woodland: a fifth under tree cover.

Time: 7h30 (5h30 walking, 1h30 lunch, 30m break)

Walk details: Slow Ways.

Steep
19
KM
Trehafod
How green is my valley ? by Bob-Reid

Trehafod to Abercynon (Glamorgan)

9 minutes direct from Mountain Ash.

Great views. Disused railway path with woodland and with substantial climbs; surfaced.

Hilly: a quarter on high ground, rising above the surrounding land.

Woodland: two fifths under tree cover.

Time: 5h30 (4h walking, 1h30 lunch)

Walk details: Railwalks.

Steep
13
KM
More walks by train