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  1. Home
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  4. Twmbarlwm, Henllys Vale and canal

Twmbarlwm, Henllys Vale and canal

Start:
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Overview

Starting from the Cafe at Ridgeway, the walk goes through Henllys Vale to Twmbarlwm and back  through the Vale and taking in the Monmouthshire and Brecon canal, the Fourteen Locks canal centre and the Allt-yr-ryn nature reserve.

Sunday, 8 February 2026
Start time:
9:30 am
Estimated finish time:
4:00 pm
Difficulty:
Moderate
Distance:
19.3km / 12.0mi
Ascent:
365.8m / 1200ft
Type:
circular

Local Grade: B

Varied countryside, good views and an insight into the local history of the area.

Features

  • Refreshments available (Pub/cafe)
  • Toilets available
  • Car parking available

Starting point

Grid reference:
ST 29381 88266
Nearest postcode:
NP20 5AL
what3words:
after.gums.chest
Start time:
9:30 am

Near the Cafe at Ridgeway, Allt-yr-ryn Avenue just before the turning for Allt-yr-ryn View. There is ample street parking.

Upcoming walks with Cardiff Group

Join the walk.

Rudry Mountain and the Ridge Way.

Start:

Difficulty:
Strenuous
Distance:
11.0 miles
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The Llantrisant Forest

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Cardiff Central Bus Interchange

CBI Walk: ASDA Mountain, Barrage , Bay

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Difficulty:
Leisurely
Distance:
7.0 miles
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Margam Circular. Please Register with Walk Leader.

Start:

Difficulty:
Strenuous
Distance:
12.0 miles
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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: Penarth /Pier led by Wendy Wd. Linear walk.

Start:

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

Sgwd Gwladys & Horseshoe Falls

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Placeholder image

Cancelled: Skenfrith - Three Churches walk. Subject to CHANGE

Start:

Difficulty:
Moderate
Distance:
10.0 miles
Placeholder image

Twmbarlwm, Henllys Vale and canal

Start:

Difficulty:
Moderate
Distance:
12.0 miles
Join the walk.

HENSOL FOREST CIRCULAR (Vale Trails No 8 Magical Forest Walk)

Start:

Difficulty:
Moderate
Distance:
7.0 miles
Join the walk.

Castell Coch and Fforest Fawr Circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

Winter Walk in Hills North of Cardiff

Start:

Difficulty:
Strenuous
Distance:
10.0 miles
Rail Ramble

Rail Ramble: Pen Garnbugail and Kite country

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
Rail Ramble

Cardiff Central Strollers: Radyr to City Centre led by Rob J. Linear walk.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Placeholder image

Langstone & Penhow

Start:

Difficulty:
Moderate
Distance:
8.6 miles
Miners memorial in Senghenydd

Cefn Eglwysilan and Mynydd Meio. Please Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
11.2 miles
Placeholder image

Goodrich Castle and Welsh Bicknor.

Start:

Difficulty:
Leisurely
Distance:
10.0 miles
Join the walk.

Penarth: Heights, Barrage, Pier, Promenade

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Placeholder image

Peaks and Valleys around Porth

Start:

Difficulty:
Strenuous
Distance:
12.5 miles
Cardiff Central Bus Interchange

Cardiff Central Strollers: visit Insole Court. Linear.

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

Ogmore by Sea: Pants, Quarries and Coasts. Please register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Join the walk.

Barry Cold Knap - Rhoose Circular

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
View

Llantrisant Forest. Please register with Walk Leader

Start:

Difficulty:
Moderate
Distance:
10.5 miles
Join the walk.

Penallt near Monmouth. Register with Walk Leader.

Start:

Difficulty:
Moderate
Distance:
7.0 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: International Sports Village & ASDA Mountain. Circular.

Start:

Difficulty:
Leisurely
Distance:
5.0 miles
Sugar Loaf

Sugarloaf from Abergavenny

Start:

Difficulty:
Moderate
Distance:
9.0 miles
Placeholder image

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

Start:

Difficulty:
Moderate
Distance:
11.0 miles
Placeholder image

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

Start:

Difficulty:
Strenuous
Distance:
10.0 miles
Rail Ramble

Rail Ramble. Dinas Powys to Penarth via Cosmeston

Start:

Difficulty:
Leisurely
Distance:
6.0 miles
Join the walk.

Chepstow and surrounding area

Start:

Difficulty:
Strenuous
Distance:
13.0 miles
Join the walk.

The 2 Ogwrs

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
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
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 led by Jean B.

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
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
Placeholder image

Claire's Friday Morning Parc Cefn Onn Walk TBA

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

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
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
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.

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

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

Start:

Difficulty:
Moderate
Distance:
11.8 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
Placeholder image

Portishead circular

Start:

Difficulty:
Strenuous
Distance:
13.5 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