Brechfa Forest offers some of the most rewarding walking in West Wales - and yet it remains refreshingly uncrowded. Ancient oak and hazel woodland, rushing rivers, sweeping valley views and an abundance of wildlife make it a place where every walk feels like a proper adventure, whether you're out for half an hour or half a day.

With trails ranging from accessible riverside strolls to longer forest hikes, and almost 6,500 hectares to explore, there's always something new to discover. Add in the fact that the forest is largely free from grazing livestock - making it one of the best dog-walking destinations in Carmarthenshire - and it's easy to see why walkers return year after year.

Cambrian Cottages is just 20 minutes from the forest, making it a brilliant base for exploring the trails at your own pace.

Walking in Brechfa Forest - a complete guide

The walks

Abergorlech riverside walks

Starting from the Gorlech car park near Abergorlech village, these gentle, well-signposted walks follow the River Cothi through beautiful woodland. An ideal choice for families, less confident walkers or anyone wanting a peaceful stroll.

• Riverside Walk - 1 mile | 30 minutes

• Gorlech Walk - 3.5 miles | 2 hours

• Forest Garden Walk - 5.6 miles | 3 hours

Keepers walk - 1.5 miles | 1 hour

A scenic route starting from the Keepers car park near Brechfa village, leading through the forest to views of the surrounding wind turbines. Perfect for a shorter outing.

Byrgwm walk - 4 miles | 2.5 hours

Starting from the Byrgwm car park, this walk takes you through a varied mix of forest habitats. A satisfying half-day outing. Please note: the walking trail from Byrgwm is currently closed (March 2026) - check before visiting.

Wind and water trail - 12 miles | 7-8 hours

A longer, more ambitious route also starting from the Keepers car park, taking in some of the forest's most dramatic scenery. Allow a full day and come well prepared.

Please note: some trails are occasionally closed or diverted for maintenance, forestry operations or severe weather. Always follow on-site signage and check for current updates before you travel.

Marlais valley walk - 2.3 miles | 1.5 hours

Starting from the Tower car park, this trail offers lovely valley views through a mix of coniferous plantation and beech woodland. Please note: trails from the Tower car park are currently closed (March 2026) — check before visiting.

Gwarallt walk - 0.25 miles | 15 minutes

A short, easy stroll through beech woodland, starting from the Gwarallt car park off the B4310 near Brechfa. Perfect for a gentle leg-stretch.

Brechfa circular walk - 4 miles | 3.5 hours

A longer circular walk taking in the village of Brechfa and the surrounding countryside. A lovely way to explore the area at a leisurely pace. Download the guide here.

Walking from Cambrian Cottages

Planning a walking holiday in Carmarthenshire? Cambrian Cottages sits on the edge of the Cambrian Mountains with a footpath crossing our land that connects directly to the local trail network — including routes towards Brechfa Forest and up to Llanllwni Mountain.

No need to drive to find a great walk. Our three self-catering cottages sleep two to four guests and are perfectly set up for walkers, with a drying room, comfortable beds and a log burner waiting at the end of every day out.

Whether you're planning a walking holiday, a dog-walking break or simply want a peaceful retreat in the Welsh countryside, we'd love to welcome you.

Dog walking in Brechfa Forest

Brechfa is one of the most dog-friendly walking destinations in West Wales. With 18,000 acres of forest largely free from grazing livestock, dogs can roam with far more freedom than on much of the surrounding farmland and common land. Popular dog-walking routes include the Riverside Walk and the Forest Garden Walk from Abergorlech.

Dogs should be kept under control on shared MTB trails, and between 1 March and 31 July, they must be kept on a short lead on designated open access land to protect ground-nesting birds. Please always bag and bin waste throughout your walk.

Car parks for walkers

Parking is free across Brechfa Forest. Overnight parking is not permitted.

Maps, routes and trail info

• Full trail details and downloadable maps: naturalresources.wales

• GPX files and route planning: Komoot and Alltrails

After your walk

The Black Lion Inn, Abergorlech

Right next to the Gorlech car park - perfectly placed for a post-walk lunch or pint. Dogs on leads welcome inside and in the garden.

The Forest Arms, Brechfa

A traditional pub welcoming walkers and dogs alike.

Y Plough, Felingwm

Known for its wood-fired pizza, Sunday lunches and relaxed atmosphere. Dogs welcome in the bar.

Abergorlech picnic site

Prefer to bring your own? The Abergorlech Picnic Site offers a lovely riverside setting with a children's play area and accessible picnic spots — a perfect lunch stop mid-walk.

Wildlife to look out for

• Red Kites - a conservation success story and now a common sight over the forest

• Nuthatches - listen for their distinctive calls in the oak woodland

• Crossbills - often spotted in the conifer sections of the forest

• Bats - several species emerge at dusk along the river and woodland edges

• Deer - roe deer are regularly spotted, particularly at dawn and dusk

• Dippers and Grey Wagtails - look for these along the River Cothi

Frequently asked questions

Q: Are the Brechfa Forest walks waymarked?

A: Yes - the main trails are waymarked from each car park, with information boards at the start of each route showing distances and estimated times. Downloadable leaflets are also available from Natural Resources Wales.

Q. Are the walks pushchair or wheelchair friendly?

The Abergorlech Riverside Walk is the most accessible option, with relatively flat, well-maintained paths close to the river. The Abergorlech Picnic Site also has accessible facilities. Other trails involve uneven forest terrain and are better suited to those on foot.

Q: Are dogs allowed on the walks?

A: Yes - Brechfa is an excellent dog-walking destination. Dogs should be kept under control on MTB trails, and on a short lead on open access land between 1 March and 31 July. Please always clean up after your dog.

A: Some trails are occasionally closed for maintenance or forestry operations. At the time of writing (March 2026), trails from the Byrgwm and Tower car parks are closed. Always check signage on arrival and look for updates at Natural Resources Wales.

Q: Are all the walking trails currently open?

Q: What is the best walk in Brechfa Forest for families?

A: The Abergorlech Riverside Walk (1 mile / 30 minutes) is hard to beat -short, easy, beautiful and ending right next to a pub and picnic area. The Derwen (Green) MTB trail is also popular with families who have young cyclists.

Staying near Brechfa Forest

Looking for dog-friendly self-catering cottages near Brechfa Forest? Cambrian Cottages is just 20 minutes from the forest's riverside trails and woodland walks — and with 18,000 acres largely free from grazing livestock, it's one of the best areas in West Wales to let your dog roam freely. Our three cottages are set up with dogs firmly in mind: there's a hose and shower attachment for muddy paws, a drying room for wet kit, and walking routes straight from the doorstep connecting to Brechfa Forest and Llanllwni Mountain.