Change region

Have an account?

Sign in

Have an account?

Sign in
Join the Ramblers Make a donation
    ...
  1. Home
  2. Go walking
  3. Group walks
  4. Carreg Yr Ogof. Please Register with Walk Leader.

Carreg Yr Ogof. Please Register with Walk Leader.

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.

Email

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

Overview

A walk in some of the more remote areas of the Black Mountain taking in Garreg Las and Foel Fraith. Some ground will be rough, indistinct paths and steep in places.

Sunday, 31 May 2026
Start time:
10:00 am
Estimated finish time:
4:00 pm
Difficulty:
Strenuous
Distance:
22.5km / 14.0mi
Ascent:
883.9m / 2900ft
Type:
circular

Local Grade: A

Features

  • Car parking available

Starting point

Grid reference:
SN 73260 18761
Nearest postcode:
SA19 9PA
what3words:
dice.riskiest.responds
Start time:
10:00 am

Car park on the A4069.

Upcoming walks with Cardiff Group

Join the walk.

Twyn y Gaer & Cefn Lechid. PLEASE REGISTER WITH WALK LEADER

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Cancelled Walk

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

Start:

Difficulty:
Strenuous
Distance:
1.0 miles
Rail Ramble

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

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Chepstow and surrounding area. Register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
13.0 miles
Join the walk

Cwm Colliery: 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: Pontcanna & Llandaf Fields. Circular

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Raglan Circular - Please Register with Walk Leader

Start:

Difficulty:
Moderate
Distance:
8.0 miles
Join the walk.

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

Start:

Difficulty:
Moderate
Distance:
11.5 miles
Join the walk.

Machen Rudry Circular.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Cardiff Central Bus Interchange

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

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Dr Price

Rail Ramble Llanharan to Taffs Well

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
lonely shepherd

Lonely Shepherd from Crickhowell

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Placeholder image

Friday Morning Parc Cefn Onn Walk. TBC

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Join the walk.

Cardiff Central Strollers: Glamorgan Canal Nature Reserve. Circular.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

Penarth Circular from Penarth railway station

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Chartist's Cave. Please Register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
Bus Ramble

CBI: Pentyrch to Tongwynlais. Linear Bus Ramble.

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Rail Ramble

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

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Join the walk.

Forest of Dean Nigel Clifton 07968724078

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
Parc Cefn Onn

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

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Cardiff Central Bus Interchange

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

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Join the walk.

The Blorange

Start:

Difficulty:
Leisurely
Distance:
7.0 miles
Join the walk.

Caerleon and Wentwood. Please Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
11.8 miles
Join the walk.

Dinas Powys circular

Start:

Difficulty:
Moderate
Distance:
6.0 miles
Join the walk.

SOUTHERN DOWN- COED YR BWL- OGMORE

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Join the walk.

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

Start:

Difficulty:
Moderate
Distance:
11.5 miles
Placeholder image

Wye Valley? DETAILS TBC. CONTACT ROB SMITH

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
lake

Llandegfedd countryside

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Join the walk.

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

Start:

Difficulty:
Moderate
Distance:
11.5 miles
Join the walk.

The Forge Walk and Cambrian Way

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
St Sannan's church, Bedwellty

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

Start:

Difficulty:
Moderate
Distance:
12.0 miles
Join the walk.

South Gower - PLEASE REGISTER WITH LEADER

Start:

Difficulty:
Strenuous
Distance:
14.0 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: International Sports Village Circular.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Placeholder image

Punchbowl and Blorenge. Please register with the Walk Leader

Start:

Difficulty:
Moderate
Distance:
12.0 miles
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.

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

Start:

Difficulty:
Strenuous
Distance:
15.0 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 take the Porth Teigr Way.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Placeholder image

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
Placeholder image

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
Placeholder image

Cardiff Central Strollers: Guest Leader

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
Placeholder image

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
Placeholder image

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
Placeholder image

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
Placeholder image

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
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
Placeholder image

Explore Chepstow by Train

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

Sirhowy Valley Country Park. Please Register with Walk Leader

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Placeholder image

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
Placeholder image

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
Placeholder image

Llanthony Circular Walk

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
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
Placeholder image

Twmbarlwm from Cwmbran. Please register with Walk Leader,

Start:

Difficulty:
Moderate
Distance:
12.0 miles
Placeholder image

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
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
Placeholder image

Carreg Yr Ogof. Please Register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
14.0 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