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Carmarthenshire

Carmarthenshire

The best MTB trails in Carmarthenshire

4.5

(78)

977

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: October 17, 2025

4.5

(21)

228

riders

1. Brechfa Forest - Red Gorlech Trail

19.1km

01:59

460m

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

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Intermediate

4.7

(6)

riders

2. Brechfa Forest — Black Raven Trail

19.1km

02:00

460m

Expert 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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Expert

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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

Expert 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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Expert

5.0

(1)

riders

5. Doethie Valley and Llyn Brianne loop

33.9km

03:09

770m

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

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Intermediate

3.0

(1)

riders

6. Llyn Brianne and the Cambrian Mountains loop

49.5km

04:41

1,200m

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

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Expert

5.0

(1)

riders

7. Brynffo and Esgair Fwyog loop

22.9km

02:20

520m

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

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Intermediate

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

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

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