Cycling in Carmarthen
1 cycling route from Carmarthen, Carmarthenshire, United Kingdom, 64 km, 64 km mapped in all, with up to 272 m of climbing in a day. Mostly flat riding (4 m of climbing per km on average), mostly road routes, 89% paved, 33 km on cycle paths or lanes. Best months to ride: May to Sep.
At a glance
- Routes
- 1
- Lengths
- 64 km
- Biggest day
- 272 m
- Terrain
- Flat
- Surface
- 89% paved
- Bike
- Road bike
- Difficulty
- Moderate
- Best months
- May to Sep
- GPX
- Every route
Know before you go
Added up from the recorded routes and OpenStreetMap; nothing estimated.
- Surface
- 89% paved · 7% gravel or unpaved.
- Roads
- 5% of the riding on main roads without a cycle lane · 33 km on cycle paths or lanes.
- Bail-outs
- A railway station or ferry within reach on 1 route.
Cycling guide to Carmarthen
Cyclists starting in Carmarthen can ride the Carmarthen to Swansea route, covering nearly 64 km mainly on paved surfaces. The route passes through multiple settlements including Llangunnor, Croesyceiliog, Ferryside, Kidwelly, Pembrey, Llanelli, and ends in Swansea. There is a notable climb soon after Carmarthen starting at 2.4 km, lasting 3.4 km with an elevation gain of 108 m averaging 3.2% gradient and max 7.3%, reaching a top height of 116 m. The route includes 32.8 km of cycle paths and 3.1 km on main roads without cycle lanes. Services are available along the route with the longest gap without services being 8.3 km. Additionally, there are 10 railway stations close to the route facilitating access to different points along the way.
More on terrain
Terrain
The terrain involves some rolling hills with the largest climb occurring early, gaining 108 m over 3.4 km at up to 7.3% gradient, and the highest point on the route is 128 m. Overall gradients are moderate with a mix of flat and undulating sections.

