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  4. Machen to Trethomas and return.

Machen to Trethomas and return.

Start:
Estimated Finish:
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Cardiff Group

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

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  • 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
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Overview

A walk along the cycle track from Machen to Trethomas, by the riverside park and back via Waterloo.

Meet/Start Machen Village Hall car park CF83 8NU
What3words: swells.artichoke.livid
Park in car park or in nearby street.

Walkers are asked to carry In Case of Emergency information, this might be on a card, key fob or on their smartphone.

 

Wednesday, 17 December 2025
Start time:
10:00 am
Estimated finish time:
1:00 pm
Difficulty:
Leisurely
Distance:
9.7km / 6.0mi
Ascent:
100m / 328ft
Type:
circular
Website:
https://www.cardifframblers.org.uk/walks

Local Grade:  D

Features

  • Car parking available

Starting point

Grid reference:
ST 20963 89080
Nearest postcode:
CF83 8NU
what3words:
swells.artichoke.livid
Start time:
10:00 am

Machen Village Hall car park. Park in car park or in nearby street.

Upcoming walks with Cardiff Group

St Peter’s Church

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

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Exploring Porthkerry and Cwm Ciddy

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Cancelled Walk

Cancelled: Southerndown Ogmore circular.

Start:

Difficulty:
Moderate
Distance:
1.0 miles
Bus Interchange

Cardiff Bay & Barrage Circular

Start:

Difficulty:
Leisurely
Distance:
7.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: tackle ASDA Mountain, Ferry Road

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
The Yew Stone

Tintern and Brockweir led by Leighton H.

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Join the walk.

Llanthony and its Hills Contact Jim 07397 276530

Start:

Difficulty:
Moderate
Distance:
9.5 miles
Join the walk.

Barry Waterfront

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
hills

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

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Walk from Upper Blaen y Glyn

Start:

Difficulty:
Strenuous
Distance:
8.4 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: Linear to Penylan Library.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Southerndown - Ogmore Circular

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
11.8 miles
Join the walk.

Llandaff to Cardiff Castle

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Bus Interchange

CBI Linear Walk: Newton - Porthcawl.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

Garth Circular

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Placeholder image

Hills around Blaengarw. Please register with Walk Leader

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: Bute Park

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Cowbridge town hall meeting place

Hanging around Cowbridge

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Placeholder image

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

Start:

Difficulty:
Strenuous
Distance:
13.7 miles
Join the walk.

Hailey Park - Tongwynlais Circular.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Pistyll-goleu waterfall

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

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Mountain Centre circular. Please register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
16.0 miles
Cardiff Central Bus Interchange

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
Placeholder image

Machen to Bassaleg.

Start:

Difficulty:
Moderate
Distance:
12.0 miles
Join the walk.

Nantgarw - Taffs Well Circular,

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Join the walk.

Llangattock Lingoed and Llanvihangel Crucorney. Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Eastnor Obelisk

Southern Malvern Hills

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Placeholder image

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
hills

Abersychan

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
11.2 miles
Join the walk.

Sneaking up on Lisvane Reservoir from Roath Park.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Circular to Craig Ruperra from Parc Cefn Onn

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Placeholder image

The Sirhowy Valley

Start:

Difficulty:
Strenuous
Distance:
11.0 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: Cardiff Wetlands Circular

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Rail Ramble

Rail Ramble: Exploring Abergavenny

Start:

Difficulty:
Easy
Distance:
4.0 miles
Placeholder image

Merthyr Heritage Walk. Please register with the walk leader

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Join the walk.

Penarth Heights & Barrage Circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Memorial Plaque to William Edwards

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

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Placeholder image

Defynnog Circular

Start:

Difficulty:
Strenuous
Distance:
13.5 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Bus Interchange

Cardiff Central Strollers: Sports Village & ASDA Mountain Circular

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Newport Wetlands and Goldcliffe Loop

Start:

Difficulty:
Leisurely
Distance:
7.0 miles
Placeholder image

Margam Circular. Please Register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
Join the walk.

Allt-yr-yn Nature Reserve and Fourteen Locks canal.

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Cardiff Central Bus Interchange

CBI Linear: Rhiwbina Hill - Wenallt - Tongwynlais

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Motte and bailey on Twmbarlwm

Upper Cwmbran to Twmbarlwm. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Friday Morning Walk from Rhiwbina railway station led by Digna L. 029 2052 0640

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Cardiff Central Bus Interchange

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

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Placeholder image

Bryngarw Park from Parc Slip

Start:

Difficulty:
Moderate
Distance:
8.5 miles
Placeholder image

Soar over the Garth

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Join the walk.

Whitchurch to Wenallt Woods

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Rail Ramble

Penallta Explore. Linear.

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

Cwm Colliery

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

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

Start:

Difficulty:
Strenuous
Distance:
13.0 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Placeholder image

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Placeholder image

Glamorgan Area AGM

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Newly painted bridge in Newbridge

Newbridge to Mynydd Maen

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
Rail Ramble

Rail Ramble: from Taff's Well to Llandaf North

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Pontycymer and Blaengarw. Please register with Walk Leader

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: Penarth Heights. Linear.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Longwood Drive, Coryton Circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Machen, Mynydd Machen and Draethen. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Placeholder image

Dolygaer Circuit

Start:

Difficulty:
Strenuous
Distance:
13.5 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: Cardiff Canals, Docks & Bay Circular

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Craig yr Allt & Caerphilly

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Placeholder image

Fan Frynach and Maen Llia

Start:

Difficulty:
Strenuous
Distance:
10.0 miles
Join the walk.

Parc Cefn Onn to Caerphilly. Linear.

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Join the walk.

WENALLT AND FOREST FAWR

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Rail Ramble

Rail Ramble; Hengoed to Lisvane, Cardiff via Machen. Please register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Craig Pant-glas

Above Abercarn and Cwmcarn. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: Llandaff Fields & Beyond. Circular.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Magical Forest Walk, Hensol and Pendoylan. Vale Trails 8.

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Placeholder image

A Visit to Caerphilly Mountain. Please register with walk leader

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Radyr Golf Club

Christmas Mince Pie Walk 2025

Start:

Difficulty:
Moderate
Distance:
5.0 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Placeholder image

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Garth Hill

The Garth

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

Ewenny to Southerndown. Please register with Walk Leader

Start:

Difficulty:
Moderate
Distance:
11.6 miles
Join the walk.

Machen to Trethomas and return.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

Wentwood Forest and Gray Hill. Please Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
10.0 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
Register for an account for FREE