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  1. Home
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  4. Across the Afon Ebwy

Across the Afon Ebwy

Start:
Estimated Finish:
Cardiff group logo.

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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Overview

The walk climbs from Machen and turns NE of Mynydd Machen and drops down to Pontymister, crosses the Afon Ebwy and the Brecon canal and climbs to approach Twmbarlwm from the east. On the return, it recrosses the canal and river to go through Risca and climbs to the coal tip on the Sirhowy Valley walk and drops down to Machen via Blaen y cwm.

Wednesday, 21 January 2026
Start time:
9:00 am
Estimated finish time:
3:30 pm
Difficulty:
Strenuous
Distance:
19.3km / 12.0mi
Ascent:
762m / 2500ft
Type:
circular

Local Grade: A

Features

  • Car parking available

Starting point

Grid reference:
ST 20959 89086
Nearest postcode:
CF83 8NU
what3words:
person.champions.poorly
Start time:
9:00 am

Park in the car park of Machen Village Hall

Upcoming walks with Cardiff Group

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
Cancelled Walk

Cancelled: 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
cormorant

Parc Slip and beyond

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Join the walk.

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
Join the walk.

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.

Salmon Leaps (Dinas Powys)

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
Cardiff Central Bus Interchange

Penarth Heights and Pier. Linear.

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
Join the walk.

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
Join the walk.

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
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: Morrisons Christmas Lunch

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Roath Park & Reservoirs Circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

Between Cardiff and Caerphilly. Please Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
9.9 miles
Bus Interchange

Away from the shops.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Bus Interchange

Cardiff Central Strollers: Victoria Park. Circular

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Glamorgan Canal Nature Reserve & surrounding area.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Cardiff Central Bus Interchange

Away from the too early festivities.

Start:

Difficulty:
Leisurely
Distance:
6.0 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: TBA

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
The Thin Man we see on the way.

Llantwit Major & Nash Point from Llantwit Major railway station. Led by Leighton.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

New Year walk - Penarth Cliffs and Cosmeston

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Pistyll-goleu waterfall

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

Start:

Difficulty:
Moderate
Distance:
10.7 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: TBA

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
tree

Abergavenny, river Usk and Llanwenarth church

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Placeholder image

Twyn y Gaer & Cefn Lechid. Please Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Join the walk.

Hailey Park, Radyr Wood, Glamorgan Canal

Start:

Difficulty:
Leisurely
Distance:
5.5 miles
Join the walk.

PENTWRCH VIA RADYR GOLF COURSE

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

Cardiff Central Strollers: TBA

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Nantgarw Circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

Following the Penrhys Pilgrimage and the Cambrian Way

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

Tidenham Chase and Two Rivers. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Placeholder image

Across the Afon Ebwy

Start:

Difficulty:
Strenuous
Distance:
12.0 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: TBA

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Mynydd Illtud

Mynydd Illtud and Libanus

Start:

Difficulty:
Leisurely
Distance:
8.0 miles
Join the walk.

Bedwas to Llanbradach circular. Please register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Rail Ramble

Linear: Machen to Caerphilly

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

Cockit Hill & Mynydd Llangorse. Please register with Walk Leader

Start:

Difficulty:
Moderate
Distance:
11.8 miles
Placeholder image

Friday Morning Parc Cefn Onn Walk led by Jean B.

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Placeholder image

Cardiff Central Strollers: TBA

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Waymark

Lisvane to Cefn Mabley Circular. Please register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Placeholder image

Rudry Mountain and the Ridge Way.

Start:

Difficulty:
Strenuous
Distance:
11.0 miles
Placeholder image

The Llantrisant Forest

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 £3.75 per month
Register for an account for FREE