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Bike touring routes & trails

Bwlch y Groes – Bwlch y Groes Pass loop from Dinas Mawddwy

Bike touring routes & trails

Bwlch y Groes – Bwlch y Groes Pass loop from Dinas Mawddwy

Hard

6

riders

Bwlch y Groes – Bwlch y Groes Pass loop from Dinas Mawddwy

01:55

25.9km

590m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 19, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

A

Start point

Parking

Get Directions

1

8.45 km

Bwlch y Groes

Highlight (Segment) • Mountain Pass

The second highest public road mountain pass in Wales this is definitely one to tick off the cycling bucket list. It is narrow and winding so it is recommended to …

Tip by

2

11.4 km

View of the Valley from Bwlch y Groes

Highlight • Mountain Pass

The climb up to Bwlch-y-Groes from Llanymawddwy is a tough one. It is about 3.4 km long and has about 387 m of vertical ascent to get to the gap …

Tip by

3

12.1 km

View of the Valley at the Wooden Cross

Highlight • Viewpoint

4

13.5 km

Bwlch y Groes Pass

Highlight • Mountain Pass

Whether on a road bike or touring, this mountain pass is not to be missed, smooth surfaces, little traffic, ups and downs all the way... watch out for the sheep..

Tip by

5

15.0 km

Bwlch y Groes (Hellfire Pass)

Highlight (Segment) • Mountain Pass

Tough road climb, not for the faint hearted! The official top 100 climbs finishes just left of the fork or turn right and descend to the lake.

Tip by

B

25.9 km

End point

Parking

Way Types & Surfaces

Way Types

25.7 km

105 m

< 100 m

Surfaces

25.7 km

105 m

< 100 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Monday 22 June

29°C

17°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

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