Cyclists.com

Cycling in Llanelli

2 cycling routes from Llanelli, Carmarthenshire, United Kingdom, 17 to 115 km, 132 km mapped in all, with up to 1,423 m of climbing in a day. Hilly riding (12 m of climbing per km on average), mostly road routes, 34 km on cycle paths or lanes. Best months to ride: Jun to Sep.

2rides
132km mapped
17–115km range
1,423m biggest day of climbing

At a glance

Routes
2
132 km mapped
Lengths
17–115 km
Biggest day
1,423 m
12 m per km on average
Terrain
Hilly
Surface
Mostly paved
Bike
Road bike
Difficulty
Easy to Hard
Best months
Jun to Sep
10 years of weather
Longest gap
22 km
on National Cycle Network Route (part)
GPX
Every route
2 rides · 132 km · 17–115 km

Know before you go

Added up from the recorded routes and OpenStreetMap; nothing estimated.

When to ride · average daily low to high, 2015–2024
8°3°
J
9°4°
F
10°4°
M
13°5°
A
16°9°
M
18°11°
J
19°13°
J
19°13°
A
17°12°
S
14°9°
O
11°6°
N
9°5°
D
Best — Jun to Sep Fine Hard goingTypical wind 23 km/h from the SW
Surface
Paved almost throughout.
Roads
6% of the riding on main roads without a cycle lane · 34 km on cycle paths or lanes.
Bail-outs
A railway station or ferry within reach on 2 routes.

Cycling guide to Llanelli

Llanelli in Carmarthenshire offers two main cycling routes. The longer National Cycle Network route from the seaside to Fishguard covers 115.2 km with 1423 m of elevation gain, passing through numerous towns and villages including Sandy, Furnace, Felinfoel, Carmarthen, Crymych, and others. This route has mainly paved surfaces, some gravel or unpaved sections, 7.7 km on main roads without cycle lanes and 19.1 km of cycle paths. There are six railway stations near this route, providing some connectivity. The Swiss Valley Trail is a shorter 17 km route passing through many of the same initial places such as Furnace, Felinfoel, and Tumble, with moderate elevation gain but less climbing overall. It features 92% paved surfaces and 15 km of cycle paths, with no main roads lacking cycle lanes.

These routes allow cyclists to travel from the coast inland into Carmarthenshire, with the National Cycle Network route extending westwards to Fishguard. They pass a variety of settlements like Sandy, Cross Hands, and Carmarthen, providing options for longer rides or shorter outings on the Swiss Valley Trail. The routes include several climbs, including a 2.5 km climb gaining 152 m with sections of 11.5% gradient on the longer route, and gentler gradients on the Swiss Valley Trail climb.

More on terrain

Terrain

The terrain is mostly rolling with some climbing. The longest climb on the National Cycle Network route is 2.5 km gaining 152 m at an average gradient of 6%, reaching a high point of 283 m along the route. The Swiss Valley Trail features a gentler climb of 4.1 km gaining 89 m with a maximum gradient of 3.7%, reaching 163 m at the high point. Both routes have significant paved surfaces and include sections of cycle paths and minor roads.

Nearby destinations

About this page

Routes
2 published routes filed under Llanelli.
Numbers
Added up from the routes on this page: distances and climbing from their lines, surface and roads from OpenStreetMap.
Weather
Ten years of ERA5 daily weather for Llanelli (Open-Meteo).
Page added
Page last updated