Upper Cwmbran to Twmbarlwm. Please register with walk leader.

Cardiff Group

We are the Cardiff Ramblers. We open the way for everyone in our local community to enjoy the pleasures of walking.

Join the Ramblers and enjoy

unlimited free access to 50,000 Ramblers group walks
a library jam-packed with thousands of tried-and-tested routes
a welcome pack teeming with top tips plus our Walk magazine
exclusive discounts from our partners
knowing your support is opening up more places to walk and helping more people discover the joy of walking

Join now for just £3.58 per month

1 of 0

Overview

From Blaen Bran lower car park, up and along Mynydd Twyn-glas and Mynydd Henllys to the fort and then trig point of Twmbarlwm, with views across Newport to the estuary. Then back along lower paths, one of which is rocky and uneven.

Wednesday, 5 November 2025

Start time:: 10:00 am
Estimated finish time:: 4:00 pm

Difficulty:: Moderate
Distance:: 16.1km / 10.0mi
Ascent:: 411.5m / 1350ft
Type:: circular

Local grade: B

Some car sharing available

Features

Car parking available

Starting point

Grid reference:: ST 27274 96888
Nearest postcode:: NP44 5AG
what3words:: dent.calm.normal

Start time:: 10:00 am

Blaen Bran Woodland lower car park, Upper Cwmbran Road

Upcoming walks with Cardiff Group

Shell Grotto and Folly Tower (open to the public this BH, free!!) Please register with Walk Leader

Start:

Difficulty:: Moderate

Distance:: 10.5 miles

Dinas Powy area

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

£1 Single Fare Rail Ramble: Merthyr Vale to Merthyr. Linear.

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

View from Coety mountain across Garn Lakes to Table mountain, Skirrid and Blorenge.

Varteg, Coety Mountain, Garn Lakes, Big Pit and the Dog Stone. Please register with walk leader.

Start:

Difficulty:: Moderate

Distance:: 11.0 miles

Erwood, Wye Valley (Register with Walk Leader)

Start:

Difficulty:: Moderate

Distance:: 15.0 miles

Cardiff Bay

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Cardiff Central Strollers: Glamorgan Canal Nature Reserve.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Fan Frynach

Start:

Difficulty:: Moderate

Distance:: 7.0 miles

Botany Bay and Barbadoes. Please register with the walk leader

Start:

Difficulty:: Moderate

Distance:: 11.0 miles

Explore Hengoed and Penallta area

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

Penrhys Pilgrimage, Groesfaen to Llandaff

Start:

Difficulty:: Moderate

Distance:: 7.0 miles

Mynydd Dimlaith & Rhymney Valley Ridgeway. Please register with walk leader.

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Craig y Nos circular. Numbers limited, please register with Walk Leader.

Start:

Difficulty:: Strenuous

Distance:: 15.0 miles

Claire's Friday Morning Parc Cefn Onn Walk (woods, hills, countryside)

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Canal, Dock & Bay.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Cwmparc Circular including Bomb Memorial Site.

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Lonely Shepherd from Gilwern. Please Register with walk leader.

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Coach Trip Ludlow & Mortimer Forest

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Claire's Friday Morning Parc Cefn Onn Walk (woods, hills, countryside)

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Radyr Circular

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Hatterrall Hill and Garn Wen. Please register with walk leader in advance.

Start:

Difficulty:: Strenuous

Distance:: 12.0 miles

Exploring Porthkerry and Cwm Ciddy

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

Southerndown Ogmore circular.

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

Llanharan to the Taff Ely Ridgeway. Please register with walk leader

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Cardiff Central Strollers: tackle ASDA Mountain, Ferry Road

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Tintern and Brockweir led by Leighton H.

Start:

Difficulty:: Moderate

Distance:: 9.0 miles

Llanthony and its Hills Contact Jim 07397 276530

Start:

Difficulty:: Moderate

Distance:: 9.5 miles

Barry Waterfront

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Defynnog to Fforest Fach and Crai. Please register with walk leader.

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Walk from Upper Blaen y Glyn

Start:

Difficulty:: Strenuous

Distance:: 8.4 miles

Claire's Friday Morning Parc Cefn Onn Walk (woods, hills, countryside)

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Linear to Penylan Library.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Southerndown - Ogmore Circular

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

Chepstow, Tidenham tunnel and the Devils Pulpit. Please register with walk leader. (Text preferred)

Start:

Difficulty:: Moderate

Distance:: 11.8 miles

Llandaff to Cardiff Castle

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Garth Circular

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Hills around Blaengarw. Please register with Walk Leader

Start:

Difficulty:: Strenuous

Distance:: 14.0 miles

Cardiff Central Strollers: Bute Park

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Hanging around Cowbridge

Start:

Difficulty:: Moderate

Distance:: 7.0 miles

The River of Two Kingdoms. Please register with walk leader.

Start:

Difficulty:: Strenuous

Distance:: 13.7 miles

St Gwynno Forest and Cwm Clydach from Llanwonno. Please register with walk leader.

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Mountain Centre circular. Please register with Walk Leader.

Start:

Difficulty:: Strenuous

Distance:: 16.0 miles

Cardiff Central Strollers: Whitchurch or Bust. Linear.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

View looking towards the Skirrid & Sugarloaf.

Monmouth, Kings Wood and Wonastow . Please register with walk leader.

Start:

Difficulty:: Moderate

Distance:: 7.0 miles

Manmoel Circular from Pen y Fan Pond. Please Register with Walk Leader

Start:

Difficulty:: Moderate

Distance:: 11.0 miles

Southern Malvern Hills

Start:

Difficulty:: Strenuous

Distance:: 12.0 miles

Friday Morning Cefn Onn Park Walk led by Carol B. 07968 649627

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Abersychan

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

Cefn Eglwysilan and Mynydd Meio. Please Register with Walk Leader.

Start:

Difficulty:: Moderate

Distance:: 11.2 miles

Circular to Craig Ruperra from Parc Cefn Onn

Start:

Difficulty:: Moderate

Distance:: 11.0 miles

The Sirhowy Valley

Start:

Difficulty:: Strenuous

Distance:: 11.0 miles

Claire's Friday Morning Parc Cefn Onn Walk (woods, hills, countryside)

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Cardiff Wetlands Circular

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Rail Ramble: Exploring Abergavenny

Start:

Difficulty:: Easy

Distance:: 4.0 miles

Merthyr Heritage Walk. Please register with the walk leader

Start:

Difficulty:: Moderate

Distance:: 9.0 miles

Rail ramble (Energlyn to Pontypridd) - footsteps of William Edwards bridge builder

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Claire's Friday Morning Parc Cefn Onn Walk (woods, hills, countryside)

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Sports Village & ASDA Mountain Circular

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Newport Wetlands and Goldcliffe Loop

Start:

Difficulty:: Leisurely

Distance:: 7.0 miles

Margam Circular. Please Register with Walk Leader.

Start:

Difficulty:: Strenuous

Distance:: 12.0 miles

Upper Cwmbran to Twmbarlwm. Please register with walk leader.

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Cardiff Central Strollers: City Centre Parks & Gardens. Circular.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Bryngarw Park from Parc Slip

Start:

Difficulty:: Moderate

Distance:: 8.5 miles

Whitchurch to Wenallt Woods

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Penallta Explore. Linear.

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

The Skirrid and Bryn Arw. Please register with Walk Leader.

Start:

Difficulty:: Strenuous

Distance:: 13.0 miles

Claire's Friday Morning Parc Cefn Onn Walk (woods, hills, countryside)

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Glamorgan Area AGM

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Newbridge to Mynydd Maen

Start:

Difficulty:: Strenuous

Distance:: 12.0 miles

Rail Ramble: from Taff's Well to Llandaf North

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Cardiff Central Strollers: Penarth Heights. Linear.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Longwood Drive, Coryton Circular

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Join the Ramblers and enjoy

unlimited free access to 50,000 Ramblers group walks
a library jam-packed with thousands of tried-and-tested routes
a welcome pack teeming with top tips plus our Walk magazine
exclusive discounts from our partners
knowing your support is opening up more places to walk and helping more people discover the joy of walking

Join now for just £3.58 per month