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Bike touring routes & trails

Cwmorthin Falls – Stwlan Dam loop from Plas Halt

Bike touring routes & trails

Cwmorthin Falls – Stwlan Dam loop from Plas Halt

Hard

18

riders

Cwmorthin Falls – Stwlan Dam loop from Plas Halt

01:39

21.7km

530m

Cycling

Hard bike ride. 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: August 21, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

A

Start point

Bus stop

1

4.24 km

Coed Cymerau Woodland Trust Information Board

Highlight • Natural

2

5.76 km

View from Pen Cefn Road

Highlight • Viewpoint

3

7.01 km

Lakeside Café

Highlight • Cafe

A good place to stop for a break. We particularly enjoyed the lamb burger with mint sauce.
With a bit of luck (or knowledge of the timetable) you can also see the historic steam train steaming past.

Translated by Google •

Tip by

4

7.97 km

Cwmorthin Falls

Highlight • Viewpoint

Car park gets full up top so park sensibly park close to next car gives more space for others. Don’t park in front of gate as this is used by …

Tip by

5

8.43 km

View of Hole in the Wall

Highlight • Viewpoint

6

10.6 km

Stwlan Dam

Highlight • Lake

The climb up to the Llyn Stwlan Reservoir could well be the best-kept secret on British soil. It’s a 3km gravel road that averages at 10%, with spikes of 20%, …

Tip by

7

18.6 km

Country Road Along the River in Parc Cenedlaethol Eryri

Highlight (Segment) • Viewpoint

As always great scenery with fresh air some decent climbs well worth it.

Tip by

B

21.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

10.0 km

5.58 km

5.47 km

291 m

223 m

< 100 m

Surfaces

18.4 km

2.77 km

312 m

211 m

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Elevation

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

Highest point (480 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Sunday 18 October

13°C

4°C

38 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

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