Routes Planner Features Updates

Login or Signup

Login or Signup

Login or Signup

Mountain biking trails

Carmarthenshire

Upper Lliw Reservoir – Lower Lliw Reservoir and Café loop from Gorslas

Mountain biking trails

Carmarthenshire

Upper Lliw Reservoir – Lower Lliw Reservoir and Café loop from Gorslas

Moderate

Upper Lliw Reservoir – Lower Lliw Reservoir and Café loop from Gorslas

03:12

46.7km

730m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 18, 2026

Tips

Includes a segment in which cycling is not permitted

After 6.20 km for 57 m

Waypoints

A

Start point

Bus stop

1

16.7 km

Summit of the Mountain Road

Highlight • Viewpoint

it's a climb either way up

Tip by

2

19.1 km

Brynllefrith Plantation Trail

Highlight (Segment) • Trail

Path linking Upper Lliw Reservoir with the road over Mynyddd y Gwair. Forestry track which is firm in places but rutted and muddy in others.

Tip by

3

20.6 km

Upper Lliw Reservoir

Highlight • Structure

Easy walking along the Eastern and Southern edges of the reservoir, courtesy of the Gower Way (a 35-mile path linking Penller Castell to Rhossili if you fancy stretching your legs a little further).

Fantastic views.

Tip by

4

24.1 km

Lower Lliw Reservoir and Café

Highlight • Lake

Great destination and lovely cycling up to the upper reservoir. Some one has taste in the cafe. Orla Keily table cloths.

Tip by

5

30.1 km

Pontarddulais Flood Defence Scheme

Highlight • Structure

Flood defence management. Cool engineering and way flow control.

Bear right in the dip just past the sign to follow the nice streamside wide gravel track back into Bont.

Tip by

B

46.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

26.1 km

6.91 km

4.75 km

4.08 km

3.20 km

1.68 km

< 100 m

Surfaces

31.8 km

7.90 km

3.00 km

1.79 km

1.45 km

798 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.

Highest point (360 m)

Lowest point (10 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Wednesday 21 October

13°C

6°C

-- %

Additional weather tips

Max wind speed: -- 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

4.5

207

Gorlech Trail

01:59h

19.1km

460m

4.6

98

Brechfa Forest — Black Raven Trail

02:00h

19.1km

460m

4.6

35

Gower Peninsula loop - Gower Peninsula

02:53h

33.2km

640m

5.0

9

Resolven to Rhigos loop — The Afan Valley

04:29h

45.5km

1,030m

3.5

49

Derwen Green Trail

00:51h

8.54km

180m

3.0

2

Banwen Gwys & Swansea Valley loop from Dan-yr-Ogof — Bannau Brycheiniog (Brecon Beacons) National Park

02:37h

26.5km

730m

4

Black Mountain loop from Brynamman

04:54h

52.8km

1,390m

4.6

8

Pembrey Country Park and Forest loop

01:21h

16.6km

60m

1

Mill Wood loop - Gower Peninsula

00:35h

7.06km

90m

Llyn Llech Owain Park loop

00:36h

7.19km

60m

4.7

563

Pontrhydyfen Viaduct – Zig Zags Descent, Y Wal Trail loop from Cwmafan

02:12h

25.1km

450m

4.4

162

Brechfa Forest Trail Centre – Brechfa Fire Road loop from Byrgwm Picnic Area

01:23h

14.0km

290m