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Best trails in Carmarthenshire

127 Reviews
Trying to find the best Carmarthenshire trails? AllTrails has 38 great hiking trails, trail running trails, mountain biking trails and more, with hand-curated trail maps and driving directions as well as detailed reviews and photos from hikers, campers, and nature lovers like you. If you're looking for the best trails around Llanelli, Carmarthen or Llandovery, we've got you covered. Just looking to take a quick stroll? We've got 25 easy trails in Carmarthenshire ranging from 0.7 to 12.9 miles and from 19 to 800 feet above sea level. Start checking them out and you'll be out on the trail in no time!
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Map of trails in Carmarthenshire
Top trails (38)
#1 - Llyn y Fan Fach and Llyn y Fan Fawr Circular Walk
Brecon Beacons National Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(36)
Length: 9.4 mi • Est. 5 h 25 m
Very scenic trail. If you want to finish the whole trail make sure leave yourself plenty of daylight. Most of the path is dry and solid but there are some bits that are a little wet. You can see snow Show more
#2 - Carreg Cennen Castle
Carreg Cennen Woodlands Local Nature Reserve
easyYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(12)
Length: 0.7 mi • Est. 23 m
Carreg Cennen Castle near Llandeilo Wales. Spectacular setting with fantastic views across the west side of the Brecon Beacons with the Beacon Way passing next to the castle. There is an entrance fee Show more
#3 - Dinefwr Castle Circular
Llandeilo, Carmarthenshire, Wales
easyYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(6)
Length: 1.6 mi • Est. 49 m
Dinefwr Castle Circular is a 1.6 mile loop trail located near Llandeilo, Carmarthenshire, Wales that features a river and is good for all skill levels. The trail is primarily used for hiking, walking,Show more
#4 - Raven Black Trail
Carmarthen, Carmarthenshire, Wales
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(5)
Length: 11.9 mi • Est. 6 h 21 m
Raven Black Trail is a 11.9 mile loop trail located near Carmarthen, Carmarthenshire, Wales that features a river and is rated as difficult. The trail offers a number of activity options.Show more
#5 - Usk Reservoir
Brecon Beacons National Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(5)
Length: 5.4 mi • Est. 2 h 43 m
The Usk Reservoir is in a remote area surrounded by forest and moor-land overlooking Mynydd Du, or the Black Mountain. MTB - Green Route Cross road from car park and go through gate into forest. FollShow more
#6 - Gower Coast Walk: Whiteford Lighthouse to Burry Holms
Gower Peninsula Area of Outstanding Natural Beauty
easyYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarGray StarGray Star(2)
Length: 10.9 mi • Est. 4 h 59 m
Good walk starting at Llanmadoc Church down into Whiteford Burrows and onto Whiteford Lighthouse. From the lighthouse it is a pleasant walk along Whiteford Sands to Broughton Bay then up onto BroughtShow more
#7 - Carn Goch Iron Age Hill Fort
Brecon Beacons National Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarGray Star(8)
Length: 2.3 mi • Est. 1 h 11 m
A particularly striking example and one of the largest iron age hill forts in Wales can be found in the west of the Carn Goch National Park impressively located on a hilltop whose presence dominates tShow more
#8 - River Taf Path
Carmarthen, Carmarthenshire, Wales
easyYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray Star(1)
Length: 3.5 mi • Est. 1 h 51 m
River Taf Path is a 3.5 mile lightly trafficked out and back trail located near Carmarthen, Carmarthenshire, Wales that features a river and is good for all skill levels. The trail is primarily used fShow more
#9 - Fan Hir and Drovers Trail
Brecon Beacons National Park
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(3)
Length: 10.3 mi • Est. 5 h 51 m
Tafarn-y-Garreg car park and get onto the Beacons Way Track along the ridges of Fan Hir and Fan Brycheiniog. Keep the ridge to your left and eventually you will reach Llyn y Fan Fach lake. You will neShow more
#10 - Llyn y Fan Fach from Llannddeusant
Brecon Beacons National Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarGray Star(3)
Length: 4 mi • Est. 2 h 23 m
From the parking lot, walk down Beacon's Way track and the south to Afon Sawdde. Walk upstream to the Llyn y Fan Fach. Enjoy the lake and then head west alond Bannau Sir Gaer. Return to the car.Show more
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