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Road cycling routes

Carmarthenshire

Millennium Coastal Path – Swiss Valley Trail loop from Smart's Quarry SSSI

Road cycling routes

Carmarthenshire

Millennium Coastal Path – Swiss Valley Trail loop from Smart's Quarry SSSI

Moderate

5.0

(1)

41

riders

Millennium Coastal Path – Swiss Valley Trail loop from Smart's Quarry SSSI

02:57

42.4km

470m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: May 28, 2026

Tips

Includes a segment in which cycling is not permitted

After 16.8 km for 82 m

Waypoints

A

Start point

Bus stop

Get Directions

11.8 km

Penybedd Wood

Forest

2

16.9 km

Burry Port Harbour

Highlight • Viewpoint

Burry Port's harbour is tide-restricted and fascinating to see when it's all but dry at low tide. The marina lies to the east of Pembrey Country Park and is on …

Tip by

20.0 km

Pwll Lagoon Local Nature Reserve

Nature Reserve

4

20.8 km

Pavilion Café

Highlight • Cafe

cash only cafe nice food reasonable prices

Tip by

5

21.1 km

Pwll Estuary (Amelia Earhart Landing Site)

Highlight • Viewpoint

6

22.6 km

Millennium Coastal Path

Highlight • Cycleway

Lovely wide shared use path with a great surface for all bikes

Tip by

7

27.7 km

Cwm Lliedi Reservoir

Highlight • Lake

This beautiful reservoir is framed by the stunning mountain scenery of the Brecon Beacons. From the vantage point of the Swidd Valley Trail, you can enjoy a great view of the reservoir and its picturesque surroundings.

Tip by

8

28.0 km

Swiss Valley Trail

Highlight • Cycleway

You get a temperature drop as your ride through this cutting in the rocks. Great on a warm day but can be chilly at other times.

Tip by

9

31.3 km

Horeb to Sylen Climb

Highlight (Segment) • Climb

Sustained climb with some steep grades.

Tip by

B

42.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

22.7 km

14.5 km

2.87 km

1.41 km

898 m

120 m

Surfaces

22.4 km

15.0 km

4.48 km

532 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (230 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Wednesday 15 July

27°C

14°C

0 %

Additional weather tips

Max wind speed: 7.0 km/h

to get more detailed weather forecasts along your route

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