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  4. Rhymney River Walk

Rhymney River Walk

Start:
Estimated Finish:
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Cardiff Group

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Overview

The walk from Machen will take us through Draethen and on to Ruperra Castle. From there we will go on to Michaelston-y-Fedw, where we will stop in the grounds of the ancient St.Michael's church for lunch. On the return the walk stays close to the River Rhymney all the way back to Machen.

Wednesday, 2 July 2025
Start time:
10:00 am
Estimated finish time:
3:45 pm
Difficulty:
Moderate
Distance:
16.1km / 10.0mi
Ascent:
304.8m / 1000ft
Type:
circular

Local Grade: C

There are lovely views across to the hills above Machen, Rudry and Caerphilly from many points along the walk.

Features

  • Accessible by public transport
  • Car parking available

Starting point

Grid reference:
ST 21000 89101
Nearest postcode:
CF83 8PH
what3words:
fortnight.kennels.admire
Start time:
10:00 am

Machen Village Hall car park via Forge Rd and The Crescent. N.B. Post code not accurate.

Upcoming walks with Cardiff Group

Parc Cefn Onn

Guest Leader Carol B. Friday Morning Parc Cefn Onn Walk (woods, hills, countryside)

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Bus Interchange

Cardiff Central Strollers: Penarth. Linear. Led by Wendy Wood.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Craig yr Allt via the Ridgeway

Start:

Difficulty:
Moderate
Distance:
8.0 miles
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Pontypridd Circular

Start:

Difficulty:
Moderate
Distance:
10.0 miles
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Whitchurch to Wenallt Woods looking for bluebells

Start:

Difficulty:
Moderate
Distance:
6.0 miles
river

Coed y Bwnydd Hillfort from Clytha

Start:

Difficulty:
Moderate
Distance:
8.5 miles
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Llynfi and Garw Valleys

Start:

Difficulty:
Moderate
Distance:
12.0 miles
Cancelled Walk

Cancelled: The Daffodil walk around Sugar Loaf

Start:

Difficulty:
Strenuous
Distance:
13.7 miles
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A wander through the Woods around Castell Coch

Start:

Difficulty:
Moderate
Distance:
5.0 miles
Parc Cefn Onn

Guest Leader Digna: 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 Whitchurch.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
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Cefn Llechid.

Start:

Difficulty:
Moderate
Distance:
8.0 miles
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Clytha and Bettws Newydd. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
9.0 miles
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HaileyPark, Llandaff North

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Trig on Little Doward

Dowards, the Wye, and King Arthur’s cave. Please register with walk leader Sue J 07709 050800..

Start:

Difficulty:
Moderate
Distance:
10.0 miles
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Central Beacons. Register with Walk Leader Claire B. 07973 847908.

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Join the walk.

Caerphilly Mountain

Start:

Difficulty:
Leisurely
Distance:
4.0 miles
Parc Cefn Onn

Guest Leader Rob J. 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 & beyond.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
The 'Old Place' - an Elizabethan mansion.

Historic Llantwit Major and the Heritage Coast

Start:

Difficulty:
Moderate
Distance:
8.0 miles
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A visit to Allt Lwyd. Please register with walk leader.

Start:

Difficulty:
Strenuous
Distance:
13.0 miles
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Wenvoe Circular

Start:

Difficulty:
Moderate
Distance:
8.0 miles
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Machen and Mynydd Machen to Lisvane.

Start:

Difficulty:
Moderate
Distance:
11.0 miles
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Gwent Valleys. Contact Walk Leader Rob S. (Text 07590 570445) to REGISTER and for walk info.

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
Join the walk.

Roath Park

Start:

Difficulty:
Easy
Distance:
4.0 miles
Parc Cefn Onn

Guest Leader Jean B. Friday Morning Parc Cefn Onn Walk (woods, hills, countryside)

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Join the walk.

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
river

Coed y Bwnydd Hillfort from Clytha

Start:

Difficulty:
Moderate
Distance:
8.5 miles
Placeholder image

Cancelled: Waterfall Country from Pontneddfechan. Please Register with Walk Leader

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Bus Interchange

CBI Linear: Pentyrch to Tongwynlais

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Bargoed Woodland Park. Grasslands and Bedwellte church

Start:

Difficulty:
Moderate
Distance:
8.0 miles
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Llangenny, Llanbedr and Table Mountain. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
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Longtown circular via 2 Darrens and Crib y Garth. Numbers limited, please register with Walk Leader

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Join the walk.

Radyr and Whitchurch Circular

Start:

Difficulty:
Leisurely
Distance:
5.0 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: Pumping Station & Back

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
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Barry Circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
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Blaen y Glyn, Central Beacons. Please register with walk leader in advance.

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
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Brian Minshall Memorial Walk: Pontypridd - Rhondda Heritage Centre

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Pontsticill reservoir

Pontsticill, Pentwyn and Talybont reservoirs. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
11.2 miles
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Penallt,near Monmouth. Register with Walk Leader George S. 07722 656016.

Start:

Difficulty:
Moderate
Distance:
7.0 miles
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Gwaelod (Not the Garth!)

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
Cardiff Central Bus Interchange

Cardiff Central Strollers: Linear to Penarth Pier.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
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Glyn Tarell

Start:

Difficulty:
Moderate
Distance:
9.0 miles
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Circular walk from Crickhowell, below Table Mountain and across the Usk-Please register with leader.

Start:

Difficulty:
Moderate
Distance:
12.0 miles
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Wenallt and Forest Fawr

Start:

Difficulty:
Moderate
Distance:
8.0 miles
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Vale of Henllys. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Rail Ramble

Rail Ramble: Exploring Rhymney and Bryn Bach Parc area

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

Crai Reservoir

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Join the walk.

Tongwynlais - Nantgarw Circular.

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
Cardiff Central Bus Interchange

Cardiff Central Strollers: Bute Park.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
skirrid

Skirrid from Llanvihangel Crucorney

Start:

Difficulty:
Moderate
Distance:
8.5 miles
Placeholder image

Cotswold Way Villa and Hillforts. Please register with walk leader. ( text preferred)

Start:

Difficulty:
Moderate
Distance:
12.4 miles
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Penarth

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Fields and distant views

Monmouth to Welsh Newton circular walk. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
11.0 miles
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Glangrwyney to Crug Mawr in the Black Mountains. Please register with walk leader.

Start:

Difficulty:
Strenuous
Distance:
14.2 miles
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Cardiff City Parks & Gardens

Start:

Difficulty:
Leisurely
Distance:
4.0 miles
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Cardiff Central Strollers: Guest Leader

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Longwood Drive, Coryton Circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

The Garth and Creigiau from Pentyrch

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Rail Ramble

Rail Ramble. Dinas Powys to Penarth via Cosmeston

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

Llanbedr Horseshoe. Numbers limited, please register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
18.0 miles
Placeholder image

Roath Park Amble and Picnic (weather dependent)

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Parc Cefn Onn

Guest Leader Carol B. Friday Morning Parc Cefn Onn Walk (woods, hills, countryside)

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Join the walk.

Cardiff Central Strollers: Pentyrch to Tongwynlais downhill. Linear.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Barry Castle

Porthkerry Country Park and hamlet

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Landscape.

Usk Circular. Please register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Bus Interchange

CBI Linear: Rumney Hill Gardens to Pontprennau (along Rhymney Trail)

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
skirrid

Skirrid from Llanvihangel Crucorney

Start:

Difficulty:
Moderate
Distance:
8.5 miles
Placeholder image

Rhoose via Aberthaw Nature Reserve to Barry

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Join the walk.

North Gower

Start:

Difficulty:
Strenuous
Distance:
15.0 miles
Join the walk.

Taff Trail and Fforest Fawr

Start:

Difficulty:
Leisurely
Distance:
5.0 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: Linear to Insole Court. Catching bus back to City Centre.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Placeholder image

Newport Wetlands and Goldcliffe Loop

Start:

Difficulty:
Leisurely
Distance:
7.0 miles
Placeholder image

Picws Du. Please register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Join the walk.

Whitchurch - Radyr, circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Cefn Onn via Limekilns and Y Van to Caerphilly. Linear.

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

Rhymney River Walk

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Rail Ramble

Glamorgan Coastline: Bridgend to Llantwit Major. Linear. (Timings TBC)

Start:

Difficulty:
Moderate
Distance:
15.0 miles
Join the walk.

Cefn Onn Park and Ridgeway

Start:

Difficulty:
Moderate
Distance:
4.0 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 Cathedral Circular.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
hill

Penrhys and Rhondda Fach area

Start:

Difficulty:
Moderate
Distance:
7.5 miles
Placeholder image

Blorenge from Llanover. Please register with the walk leader

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Exploring the Waterhall Line

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
hill

Penrhys and Rhondda Fach area

Start:

Difficulty:
Moderate
Distance:
7.5 miles
Placeholder image

Parc Calon Lan to Mynydd Llangeinwyr. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
10.5 miles
Placeholder image

Rob Smith Gower Walk

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Join the walk.

Asda Mountain, Sports Village, Ferry Road

Start:

Difficulty:
Leisurely
Distance:
4.0 miles
Rail Ramble

Cardiff Central Strollers: Do love to be beside the Seaside Linear from Barry Docks railway station

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Roath Park & Reservoirs

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Coach Trip. Booking early essential.

Coach Trip Chipping Sodbury

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Join the walk.

Craig yr Allt

Start:

Difficulty:
Moderate
Distance:
5.0 miles
Join the walk.

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

The Blorange and the Punch Bowl

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Rail Ramble

Pontlottyn via Bedlinog to Bargoed

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Join the walk.

Llangiby near Usk Register with Walk Leader George S. 07722 656016.

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Join the walk.

Black Mountains Northern Escarpment above & below. Numbers limited, please register with Walk Leader

Start:

Difficulty:
Strenuous
Distance:
15.3 miles
Placeholder image

Nant Fawr and the Reservoirs

Start:

Difficulty:
Leisurely
Distance:
4.0 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