Routes Planner Features Updates

Login or Signup

Login or Signup

Login or Signup

Hiking trails & Routes

Carmarthenshire

Swiss Valley Trail – Cwm Lliedi (Lower) Reservoir loop from Llanelli

Hiking trails & Routes

Carmarthenshire

Swiss Valley Trail – Cwm Lliedi (Lower) Reservoir loop from Llanelli

Moderate

4.4

(5)

34

hikers

Swiss Valley Trail – Cwm Lliedi (Lower) Reservoir loop from Llanelli

03:12

11.8km

180m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 11, 2026

Waypoints

A

Start point

Bus stop

1

1.63 km

Furnace Pond

Highlight • Lake

2

2.08 km

Cwm Tre-beddrod Forest Path

Highlight (Segment) • Trail

Gentle climb alongside stream.

Tip by

3

5.09 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

7.25 km

Swiss Valley Reservoir East Bank

Highlight • Trail

Undulating path, mostly through the woods.

Tip by

5

7.90 km

Cwm Lliedi (Lower) Reservoir

Highlight • Structure

Enjoy the walk that winds along the edge of Cwm Lliedi (Lower) Reservoir and through the woodlands of Swiss Valley offering views over the water and the chance to spot a variety of wildlife.

Tip by

6

8.36 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

B

11.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

5.08 km

3.46 km

2.64 km

372 m

166 m

Surfaces

3.77 km

3.39 km

1.74 km

1.10 km

1.05 km

671 m

Sign up to see more specific route details

Sign up for free

Elevation

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

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Sunday 11 October

18°C

14°C

25 %

Additional weather tips

Max wind speed: 24.0 km/h

to get more detailed weather forecasts along your route

Comments

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

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

Navigate Send to Phone

Move start point

Embed on a website

Report an Issue

Report restricted access

Nearby routes

4.8

632

Worm's Head scramble from Rhossili

02:13h

7.64km

100m

4.6

300

Carreg Cennen Castle loop — The Beacons Way

01:51h

6.25km

180m

4.6

233

Port Eynon and Oxwich Circular Walk

03:31h

12.9km

190m

4.7

306

Mumbles loop from Langland Bay

02:54h

10.7km

150m

4.9

215

Rhossili Downs & Beach loop — Gower

02:07h

7.20km

190m

4.7

174

Worm's Head loop from Rhossili — Gŵyr / Gower

01:30h

5.55km

80m

4.6

197

Whiteford Sands loop from Llanmadoc — Gŵyr / Gower

02:06h

8.06km

60m

4.8

200

Oxwich Natural Nature Reserve loop from Oxwich — Gŵyr / Gower

02:01h

7.08km

160m

4.8

172

From Lower Lliw Reservoir to Upper Lliw Reservoir loop

02:23h

8.83km

120m

4.8

99

Three Cliffs loop from Southgate — Gŵyr / Gower

01:16h

4.74km

60m

4.8

67

Rhossili Bay loop — Gower Peninsula

04:21h

15.4km

310m

4.6

116

Mumbles Pier & Caswell Bay loop from Mumbles

02:44h

10.2km

130m