Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Running trails & routes

Carmarthenshire

Swiss Valley Trail – Swiss Valley Cycle Path loop from Tumble

Running trails & routes

Carmarthenshire

Swiss Valley Trail – Swiss Valley Cycle Path loop from Tumble

Hard

35

runners

Swiss Valley Trail – Swiss Valley Cycle Path loop from Tumble

03:07

29.7km

200m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 18, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

10.0 km

Disused Kiln and Chimney

Highlight • Historical Site

disused kiln, hidden in wood to side of trail very overgrown but worth a look,

Tip by

2

11.6 km

Swiss Valley Reservoir

Highlight • Structure

3

12.6 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

4

12.9 km

Swiss Valley Reservoir (Lower Lliedi Reservoir)

Highlight • Cycleway

Great place to canoe or SUP. Organised tours can be arranged or you can self-launch, with permission.

Tip by

5

12.9 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

6

16.0 km

Swiss Valley Cycle Path

Highlight (Segment) • Trail

A beautiful section of cycle path between Pontyberem and Llanelli.

Tip by

B

29.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

25.2 km

2.54 km

1.01 km

530 m

408 m

Surfaces

26.2 km

1.57 km

1.09 km

667 m

208 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

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

Highest point (160 m)

Lowest point (40 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Monday 18 May

15°C

10°C

-- %

Additional weather tips

Max wind speed: -- km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Nearby routes

5.0

1,156

Swansea Bay to Mumbles via Mumbles Hill Nature Reserve

01:51h

17.7km

120m

129

Blue pool bay & Rhossili beach loop from Oxwich — Gŵyr / Gower

05:12h

45.7km

760m

41

Oxwich Point Circular Trail

00:47h

7.08km

160m

41

Pwlldu Head, Caswell Bay & Three Cliffs Bay loop from Southgate — Gower Peninsula

01:48h

16.4km

260m

32

Langland, Caswell and Bishopston Valley Circular

01:18h

12.2km

150m

5.0

33

Bracelet Bay and Langland Bay loop from Mumbles

00:44h

6.73km

110m

25

Penllergare Valley Woods loop

00:31h

4.51km

40m

4.0

22

Rhossili Ranger Run

01:11h

10.3km

230m

24

Worm's Head loop from Rhossili — Gŵyr / Gower

00:36h

5.47km

80m

1.0

21

Llyn Llech Owain Reservoir loop

00:37h

5.02km

40m

8

Port Eynon loop from Rhossili — Gŵyr / Gower

02:16h

20.2km

310m

3.0

11

Whiteford Sands loop from Llanmadoc — Gŵyr / Gower

00:57h

8.06km

60m