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Nant Ffrancon Cycle Route – Snowdonia Slate Trail Byway loop from Bethesda

Routes

Mountain biking trails

Nant Ffrancon Cycle Route – Snowdonia Slate Trail Byway loop from Bethesda

Moderate

4.5

(2)

riders

Nant Ffrancon Cycle Route – Snowdonia Slate Trail Byway loop from Bethesda

04:21

58.2km

810m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: August 12, 2026

Tips

Cycling is not permitted along parts of this route

After 2.54 km for 206 m

After 20.4 km for 89 m

Waypoints

Start point

Bus stop

Get Directions

3.19 km

Nant Ffrancon Cycle Route

Highlight (Segment) • Viewpoint

Off road through the quarry to Llyn Ogwen. You may hear the Zip wire close by.

Tip by

11.4 km

YHA Idwal

Forest

17.9 km

Traws Eryri Trail in Parc Cenedlaethol Eryri

Highlight • Viewpoint

Great trail with views all around

Tip by

22.0 km

Siabod Cafe

Highlight • Cafe

This cafe has won many awards.
Unfortunately the have now closed this site from 8th January 2024.
Gutted.

Tip by

24.2 km

Coed Bryn-y-gefeiliau

Forest

25.9 km

Tu Hwnt i'r Bont Tearoom

Highlight • Cafe

A cosy small tearoom in Capel Curig. Incredible cakes, good coffee and light meals served by friendly staff. The garden outside is beautiful and full of bee friendly plants.

Tip by

26.4 km

Dwsin Drwg (Dirty Dozen) – Gwydir Mawr MTB Trail

Highlight (Segment) • Climb

An awesome later addition to the Gwydir Mawr red grade mtb trail. It has a challenging climb mid way along with 12 switchback corners to negotiate. Hence the name, the Dirty Dozen or Dwsin Drwg in Welsh. Two really fun descents.
This is one way red, grade mtb trail.

Tip by

40.0 km

Snowdonia Slate Trail Byway

Highlight (Segment) • Trail

All alone except for sheep and cattle. I would recommend a Gravel or MTB bike, but I was ok on my road bike (32mm tyres).

Tip by

58.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

20.8 km

19.6 km

11.1 km

2.40 km

1.79 km

1.44 km

1.08 km

Surfaces

20.2 km

14.7 km

13.5 km

6.62 km

1.76 km

1.40 km

Elevation

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

Highest point (320 m)

Lowest point (30 m)

Weather

Thursday 20 August

16°C

9°C

57 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Comments

April 6, 2024,Wales day 6: Destination Llanberis 🏁

Last full day riding across Wales…
Some of the best riding saved until last, with an amazing track up to Llyn Ogwen deep in the mountains.
By the time I reached the top, the rain was back with a vengeance, and I took shelter again. Becoming well acquainted with Welsh bus stops!
Dropped out of the rain as I headed …

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Nant Ffrancon Cycle Route – Snowdonia Slate Trail Byway loop from Bethesda

Nant Ffrancon Cycle Route

Traws Eryri Trail in Parc Cenedlaethol Eryri

Siabod Cafe

Tu Hwnt i'r Bont Tearoom

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Snowdonia Slate Trail Byway

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