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Carmarthenshire

Carmarthenshire

The best MTB trails in Carmarthenshire

4.5

(79)

1,010

riders

rides

Mountain biking in Carmarthenshire is one of the best ways to explore more of this area of South Wales. To help you experience the best the region has to offer, …

Last updated: December 8, 2025

4.5

(21)

228

riders

1. Brechfa Forest - Red Gorlech Trail

19.1km

01:59

460m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

4.7

(6)

103

riders

2. Brechfa Forest — Black Raven Trail

19.1km

02:00

460m

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

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5.0

(8)

riders

3. Cwm Rhaeadr Forest — Red loop

6.63km

00:42

160m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

5.0

(1)

riders

4. Derwen Trail Green loop

8.54km

00:51

180m

Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

5.0

(1)

riders

5. Doethie Valley and Llyn Brianne loop

33.9km

03:09

770m

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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Moderate

3.0

(1)

riders

6. Llyn Brianne and the Cambrian Mountains loop

49.5km

04:41

1,200m

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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Hard

5.0

(1)

riders

7. Brynffo and Esgair Fwyog loop

22.9km

02:20

520m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

4.8

(4)

riders

8. Pembrey Country Park and Forest loop

16.6km

01:21

60m

70m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

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9. Black Mountain loop from Brynamman — Bannau Brycheiniog (Brecon Beacons) National Park

52.8km

04:54

1,390m

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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Hard

10. Llyn Llech Owain Park loop

7.19km

00:36

60m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

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Didn’t find what you were looking for?

Check out more MTB trails throughout Carmarthenshire below and find the perfect route in your destination.

Manordeilo And Salem Llandeilo Cilymaenllwyd Abergwili Pontyberem Whitland Myddfai Fforest Crychan Eglwyscummin Cynwyl Gaeo Llangeler Llanfair-Ar-Y-Bryn Betws Llanedi Llanarthney Llanwrda Pembrey And Burry Port Town Llansawel Henllanfallteg Pencarreg Llandybie Llannon Llanfihangel-Ar-Arth Llanybydder Gorslas Llandovery Llansadwrn Llanegwad Dinefwr Estate National Nature Reserve Llanycrwys Llangunnor Trimsaran Llanfihangel Aberbythych Llanelli Llanfihangel Rhos-Y-Corn Cilycwm Llangadog Cyngor Bro Dyffryn Cennen Llanfynydd Llanboidy Llandyfaelog Llanelli Rural Talley Quarter Bach Cynwyl Elfed Cwmamman Llanllwni Llangennech Pembrey Forest Brechfa Forest Allt Rhyd Y Groes National Nature Reserve Carmel National Nature Reserve Llanpumsaint Llanddeusant Waun Las National Nature Reserve Stradey Wood Caio Forest Kidwelly Llangyndeyrn Ammanford Llangathen Llanddarog Llyn y Fan Fach Llanllawddog St. Ishmael

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Browse the best MTB trails in other regions.

Rhondda Cynon Taf Neath Port Talbot Pembrokeshire Cymer And Glyncorrwg Ceredigion Bryn Gwynfi And Croeserw Caerphilly Talybont-On-Usk Clyne And Melincourt Risca West Henllys Glyn Tarell Abercarn Gwernyfed Monmouthshire Crosskeys Fairwater Swansea Merthyr Tydfil Cray The Vale Of Grwyney Neath Resolven Llanwrtyd Wells Trallong Llywel Brecon Honddu Isaf Llanddew Yscir Maescar Ilston Bishopston Pennard Felin-Fach Talgarth Crickhowell Llangattock Llanigon Llanveynoe Llangynidr Llanrhidian Lower Ystradfellte Briton Ferry Peterchurch Baglan Bay Blaenavon Bridgend Cwmbran Central Craswall Michaelchurch Escley Port Talbot Llangors Pontllanfraith Risca East Reynoldston Abersychan Cwmbrwla Sketty Cwmavon Newport Seven Sisters Cardiff Ystradgynlais Pen Tranch Dunvant Uplands Mumbles Pontardawe Radyr and Morganstown Llanfihangel Cwmdu With Bwlch And Cathedine Llanfrynach Castle Pontprennau Townhill Tongwynlais Roath Gwaun-Cae-Gurwen Glynneath Killay Penrice Crynant Crumlin Cwmllynfell Upper Killay Tawe-Uchaf Rhiwbina Blaenhonddan Argoed Margam Moors Penderry Tonna Pelenna Penylan Lisvane Llangennith, Llanmadoc And Cheriton Ynysddu Trevethin Bronllys Maesycwmmer Cathays Llanyrafon Penmaen Newbridge Blackwood Old St Mellons Torfaen Birchgrove Rhossili Cilybebyll New Inn Pontymoile Bargoed Llangyfelach Baglan Sandfields West Croesyceiliog Panteg Pontnewydd Upper Cwmbran Dyffryn Clydach Cockett Gelligaer Pontlliw And Tircoed Aberavon Sandfields East Whitchurch Baglan Moors Tai-Bach Cefn Fforest Port Eynon Penyrheol Trecenydd & Energlyn Caerphilly Onllwyn Heath Pengam Blaenau Gwent Cyncoed Coedffranc Llanrhidian Higher Mawr Gorseinon Grovesend And Waungron St. Thomas Mynyddbach Vale of Glamorgan Penllergaer Aber Valley Nelson Llandaff North Clydach Van Llantarnam Pentyrch Llwchwr Pontarddulais Ystalyfera Pentwyn Llanishen Llanbradach Abbey Dore Gowerton Llansamlet Bon-Y-Maen Landore Rudry Bedwas Trethomas & Machen Morriston Blaengwrach Tenby Ponthir Margam St. Margarets Longtown Vowchurch Walterstone Newton Kentchurch Turnastone Kenderchurch Ewyas Harold Wormbridge Rowlstone Llancillo Bacton Dulas

The best MTB trails in Carmarthenshire

1. Brechfa Forest - Red Gorlech Trail

2. Brechfa Forest — Black Raven Trail

3. Cwm Rhaeadr Forest — Red loop

4. Derwen Trail Green loop

5. Doethie Valley and Llyn Brianne loop

6. Llyn Brianne and the Cambrian Mountains loop

7. Brynffo and Esgair Fwyog loop

8. Pembrey Country Park and Forest loop

9. Black Mountain loop from Brynamman — Bannau Brycheiniog (Brecon Beacons) National Park

10. Llyn Llech Owain Park loop

Other adventures in Carmarthenshire

Most popular routes in Carmarthenshire

Most popular attractions in Carmarthenshire

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