Winter Walk in Hills North of Cardiff

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
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Overview

Starting in Cefn Onn Park car park, we will head first north and then Eastwards and loop around through Coed Llwyn-celyn and join up with the Rhumney Valley Ridgeway Walk before progressing West and into Coed Werrin

Start Park Cefn Onn

Grid reference: ST 17831 83684

Nearest postcode: CF14 0UE

what3words: crass.frame.kinds

https://what3words.com/crass.frame.kinds

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

Wednesday, 11 February 2026

Start time:: 9:30 am
Estimated finish time:: 4:00 pm

Difficulty:: Strenuous
Distance:: 19.3km / 12.0mi
Ascent:: 609.6m / 2000ft
Type:: circular

Website:: https://www.cardifframblers.org.uk/walks

Local Grade: A

Features

Toilets available
Car parking available
Car sharing available

Starting point

Grid reference:: ST 17831 83684
Nearest postcode:: CF14 0UE
what3words:: crass.frame.kinds

Start time:: 9:30 am

Start in Cefn onn Par Car park

Upcoming walks with Cardiff Group

Rail Ramble. Dinas Powys to Penarth via Cosmeston. Linear.

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Chepstow and surrounding area. Register with Walk Leader.

Start:

Difficulty:: Strenuous

Distance:: 13.0 miles

Cwm Colliery: Please register with walk leader

Start:

Difficulty:: Moderate

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: Pontcanna & Llandaf Fields. Circular

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Raglan Circular - Please Register with Walk Leader

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

The Crickhowell Skyline and Grwyne Valley. Please Register with Walk Leader Jim Bradley 07397276530

Start:

Difficulty:: Moderate

Distance:: 11.5 miles

Machen Rudry Circular.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

CBI Cardiff Cathedral (2)/Castle (2) Walk. Linear

Start:

Difficulty:: Moderate

Distance:: 7.0 miles

Rail Ramble Llanharan to Taffs Well

Start:

Difficulty:: Strenuous

Distance:: 12.0 miles

Lonely Shepherd from Crickhowell

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Friday Morning Parc Cefn Onn Walk. TBC

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Glamorgan Canal Nature Reserve. Circular.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Penarth Circular from Penarth railway station

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Chartist's Cave. Please Register with Walk Leader.

Start:

Difficulty:: Strenuous

Distance:: 12.0 miles

CBI: Pentyrch to Tongwynlais. Linear Bus Ramble.

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Rail Ramble: Rhoose via Aberthaw Nature Reserve to Barry in Springtime

Start:

Difficulty:: Moderate

Distance:: 11.0 miles

Forest of Dean Nigel Clifton 07968724078

Start:

Difficulty:: Strenuous

Distance:: 12.0 miles

Claire's Friday Morning Parc Cefn Onn Walk led by Carol

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: checking for Any Signs of Spring in Bute Park. Circular.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

The Blorange

Start:

Difficulty:: Leisurely

Distance:: 7.0 miles

Caerleon and Wentwood. Please Register with Walk Leader.

Start:

Difficulty:: Moderate

Distance:: 11.8 miles

Dinas Powys circular

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

SOUTHERN DOWN- COED YR BWL- OGMORE

Start:

Difficulty:: Moderate

Distance:: 9.0 miles

Tintern, Angiddy Valley and Beacon Hill. Please Register with Walk Leader.

Start:

Difficulty:: Moderate

Distance:: 11.5 miles

Wye Valley? DETAILS TBC. CONTACT ROB SMITH

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

Llandegfedd countryside

Start:

Difficulty:: Moderate

Distance:: 9.0 miles

Taff's Well & Ridgeway. Please Register with Walk Leader.

Start:

Difficulty:: Moderate

Distance:: 11.5 miles

The Forge Walk and Cambrian Way

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Rail Ramble: Bargoed to Pengam via Pen y Fan Pond. Please register with leader.

Start:

Difficulty:: Moderate

Distance:: 12.0 miles

South Gower - PLEASE REGISTER WITH LEADER

Start:

Difficulty:: Strenuous

Distance:: 14.0 miles

Cardiff Central Strollers: International Sports Village Circular.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Punchbowl and Blorenge. Please register with the Walk Leader

Start:

Difficulty:: Moderate

Distance:: 12.0 miles

Pumping Station Eventually!!! Linear.

Start:

Difficulty:: Moderate

Distance:: 7.0 miles

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

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

The Kymin from Monmouth. Register with Walk Leader.

Start:

Difficulty:: Moderate

Distance:: 7.5 miles

Blaenavon to Pontypool. Linear. DETAILS TBC. Register with Walk Leader Rob S. 07590 570445.

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 take the Porth Teigr Way.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Clytha Circular (please register with walk leader)

Start:

Difficulty:: Moderate

Distance:: 9.0 miles

Whitchurch - Radyr, circular

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Blaen Llia circular. Please register with Walk Leader.

Start:

Difficulty:: Strenuous

Distance:: 15.4 miles

Rail Ramble - Neath to Port Talbot

Start:

Difficulty:: Moderate

Distance:: 11.0 miles

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Barry Waterfront Circular

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

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

Start:

Difficulty:: Moderate

Distance:: 11.8 miles

Glamorgan Canal Nature Reserve

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

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

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

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

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

Start:

Difficulty:: Strenuous

Distance:: 10.0 miles

Sirhowy River north of Blackwood

Start:

Difficulty:: Leisurely

Distance:: 7.0 miles

CBI Cardiff Canals, Docks & Wetlands.

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Circular from Parc Cefn Onn to Craig y Alt

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Portishead circular

Start:

Difficulty:: Strenuous

Distance:: 13.5 miles

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

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Linear to Whitchurch.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

The Journey. Please Register with Walk Leader - Text Preferred

Start:

Difficulty:: Strenuous

Distance:: 14.0 miles

Rhymney Riverside walk Machen to Llanbradach. Linear.

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

Rhymney River Circular: Please register with the Walk Leader

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

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

Start:

Difficulty:: Strenuous

Distance:: 14.0 miles

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

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Cardiff Wetlands & beyond.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Explore Chepstow by Train

Start:

Difficulty:: Leisurely

Distance:: 6.0 miles

Sirhowy Valley Country Park. Please Register with Walk Leader

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Llantwit Major - coastal walk

Start:

Difficulty:: Moderate

Distance:: 11.0 miles

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

Start:

Difficulty:: Strenuous

Distance:: 14.0 miles

Llanishen Circular

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Parc Cefn Onn Friday Walk led by Jean B.

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Guest Leader

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Castell Coch & Fforest Fawr. Circular.

Start:

Difficulty:: Moderate

Distance:: 7.0 miles

Abercynon Circular - Please register with leader

Start:

Difficulty:: Moderate

Distance:: 12.0 miles

Linear Rail Ramble: Exploring Hengoed and Penallta area.

Start:

Difficulty:: Moderate

Distance:: 9.0 miles

Llantrisant Forest. Please register with Walk Leader

Start:

Difficulty:: Moderate

Distance:: 10.5 miles

Llanthony Circular Walk

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: Pumping Station & Back

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

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

Start:

Difficulty:: Moderate

Distance:: 8.0 miles

Twmbarlwm from Cwmbran. Please register with Walk Leader,

Start:

Difficulty:: Moderate

Distance:: 12.0 miles

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

Start:

Difficulty:: Moderate

Distance:: 11.2 miles

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

Start:

Difficulty:: Strenuous

Distance:: 13.5 miles

Parc Cefn Onn Friday Walk led by Carol B.

Start:

Difficulty:: Moderate

Distance:: 6.0 miles

Cardiff Central Strollers: Linear to Penarth Pier.

Start:

Difficulty:: Leisurely

Distance:: 5.0 miles

Carreg Yr Ogof. Please Register with Walk Leader.

Start:

Difficulty:: Strenuous

Distance:: 14.0 miles

Llanover Loop. Please Register with Walk Leader.

Start:

Difficulty:: Moderate

Distance:: 10.0 miles

Llanvihangel Ystern Llewern. Register with Walk Leader.

Start:

Difficulty:: Moderate

Distance:: 7.0 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