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  4. Sirhowy River north of Blackwood

Sirhowy River north of Blackwood

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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Overview

Following tracks close to the river northwards from Blackwood towards Markham and returning on the opposite side of the river. Mainly on good tracks but with some muddy patches. Mainly flat but with some short steeper sections.

Start High Street Car Park, Blackwood

Grid reference: ST 1747 9723

Nearest postcode:NP12 1NT

what3words:cello.owners.flinch

 https://what3words.com/cello.owners.flinch

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

Wednesday, 29 April 2026
Start time:
10:00 am
Estimated finish time:
2:00 pm
Difficulty:
Leisurely
Distance:
11.3km / 7.0mi
Ascent:
152.4m / 500ft
Type:
circular
Website:
https://www.cardifframblers.org.uk/walks

Local grade: C

Features

  • Accessible by public transport
  • Car parking available

Starting point

Grid reference:
ST 17472 97230
Nearest postcode:
NP12 1NT
what3words:
cello.owners.flinch
Start time:
10:00 am

Cliff Road Car Park, Blackwood

Upcoming walks with Cardiff Group

Cardiff Central Bus Interchange

Pumping Station Eventually!!! Linear.

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Trig on Little Doward

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

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

The Kymin from Monmouth. Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
7.5 miles
Join the walk.

Circular around Ebbw Fach from Aberbeeg. Register with Walk Leader Rob S. 07590 570445.

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Parc Cefn Onn

Claire's Friday Morning Parc Cefn Onn Walk: Circular via woods, Van limekilns and the Ridge.

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers take the Porth Teigr Way.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Garth Hill

The Garth

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Join the walk.

Clytha Circular (please register with walk leader)

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Join the walk.

Whitchurch - Radyr, circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Blaen Llia circular. Please register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
15.4 miles
Rail Ramble

Rail Ramble - Neath to Port Talbot

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Rail Ramble

Strollers Linear Rail Ramble Tondu to Bridgend. Led by Rob J.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Barry Waterfront Circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
River Wye from near Brockweir

Tintern and the Welsh bank of the Wye (please register with walk leader, text preferred)

Start:

Difficulty:
Moderate
Distance:
11.8 miles
Join the walk.

Glamorgan Canal Nature Reserve

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

The Ogmore and Garw valleys. Please register with the walk leader

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Cardiff Central Strollers: Reservoir Walk from Roath Park.

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
Join the walk.

Fan y Big from Pencelli. Please register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
10.0 miles
The Chartist

Sirhowy River north of Blackwood

Start:

Difficulty:
Leisurely
Distance:
7.0 miles
Cardiff Central Bus Interchange

CBI Cardiff Canals, Docks & Wetlands.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Parc Cefn Onn

Circular from Parc Cefn Onn to Craig y Alt

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Portishead 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
Cardiff Central Bus Interchange

Cardiff Central Strollers: Linear to Whitchurch.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
One of the many waterfall on route.

Sgwd Gwladys and Horseshoe Falls

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Join the walk.

The Journey. Please Register with Walk Leader - Text Preferred

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Rail Ramble

Rhymney Riverside walk Machen to Llanbradach. Linear.

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Join the walk.

Rhymney River Circular: Please register with the Walk Leader

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Cwm Sychan, Cwm Tyleri Area. DETAILS TBC. Walk Register with Walk Leader Rob S. (Text 07590 570445).

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Join the walk.

A Wander through the Woods around Castell Coch

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
Bus Interchange

Cardiff Central Strollers: Cardiff Wetlands & beyond.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Rail Ramble

Explore Chepstow by Train

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Sirhowy Valley Country Park. Please Register with Walk Leader

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Whitchurch to Wenallt Woods looking for bluebells

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Rail Ramble

Llantwit Major - coastal walk

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Join the walk.

Longtown circular via 2 Darrens and Crib y Garth. Please register with Walk Leader

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Llanishen Church

Llanishen Circular

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Parc Cefn Onn

Parc Cefn Onn Friday Walk led by Jean B.

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Placeholder image

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Castell Coch & Fforest Fawr. Circular.

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Join the walk.

Abercynon Circular - Please register with leader

Start:

Difficulty:
Moderate
Distance:
12.0 miles
Rail Ramble

Linear Rail Ramble: Exploring Hengoed and Penallta area.

Start:

Difficulty:
Moderate
Distance:
9.0 miles
View

Llantrisant Forest. Please register with Walk Leader

Start:

Difficulty:
Moderate
Distance:
10.5 miles
Join the walk.

Carn Pica Circular Walk. Please register with walk leader.

Start:

Difficulty:
Strenuous
Distance:
13.0 miles
Join the walk.

Caerphilly Mountain

Start:

Difficulty:
Leisurely
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: Pumping Station & Back

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
View

Twmbarlwm from Cwmbran. Please register with Walk Leader,

Start:

Difficulty:
Moderate
Distance:
12.2 miles
Join the walk.

Little Skirrid and Big Skirrid (please register with walk leader, text preferred)

Start:

Difficulty:
Moderate
Distance:
11.2 miles
Join the walk.

Cwmdu - Four Pens ... Please register with Walk Leader

Start:

Difficulty:
Strenuous
Distance:
13.5 miles
Join the walk.

Taff Trail and Fforest Fawr

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Parc Cefn Onn

Parc Cefn Onn Friday Walk led by Carol B.

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
Join the walk.

Taff Trail - Stage 1 Cardiff Bay to Taffs Well

Start:

Difficulty:
Leisurely
Distance:
9.0 miles
Join the walk.

Carreg Yr Ogof. Please Register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Join the walk.

Llanover Loop. Please Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Join the walk.

Llanvihangel Ystern Llewern. Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Placeholder image

Machen Forge Trail Grade C 4.5 miles

Start:

Difficulty:
Moderate
Distance:
4.5 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: Bute Park.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Brecon Town to Y Gaer via Battle

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Great Witcombe Roman villa

Crickley Hill and the Cotswold Way (please register with walk leader, text preferred)

Start:

Difficulty:
Moderate
Distance:
13.0 miles
Pontsticill reservoir

Cefn-coed-y-cymmer to Pontsticill. Please register with walk leader,

Start:

Difficulty:
Moderate
Distance:
10.4 miles
Join the walk.

Llanbedr Horseshoe. Please register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
18.0 miles
Placeholder image

Gwaelod (Not the Garth!)

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Parc Cefn Onn

Parc Cefn Onn Friday Walk led by Jean B.

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Placeholder image

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Rail Ramble

Rail Ramble: Rhoose to Barry Island.Linear.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Cardiff City Parks & Gardens

Start:

Difficulty:
Leisurely
Distance:
4.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: Pentyrch to Tongwynlais downhill. Linear.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Placeholder image

Taff Trail - Stage 2. A linear walk from Taffs Well to Pontypridd

Start:

Difficulty:
Leisurely
Distance:
9.0 miles
Placeholder image

Grwyne Fawr Valley & Crug Mawr. Please Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Placeholder image

Dinas Powys circular

Start:

Difficulty:
Leisurely
Distance:
7.0 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
talybont

Pontsticill circular

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Placeholder image

Kymin and Wye Valley. Please register with walk leader.

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Placeholder image

Llynfi and Garw Valleys: Please register with walk leader

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
Placeholder image

Explore North Rhymney Rhaslas Pond and the Bent Iron then south to Bargoed

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Join the walk.

Barry

Start:

Difficulty:
Easy
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
Barry Castle

Porthkerry Country Park and hamlet

Start:

Difficulty:
Moderate
Distance:
8.0 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