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Routes
Bike touring routes & trails
United Kingdom
Wales
Powys
Treflys

Abergwesyn Valley – Abergwesyn Pass loop from Trallwm

Routes
Bike touring routes & trails
United Kingdom
Wales
Powys
Treflys

Abergwesyn Valley – Abergwesyn Pass loop from Trallwm

Hard

9

riders

Abergwesyn Valley – Abergwesyn Pass loop from Trallwm

02:11

31.2km

490m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Last updated: June 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Nant Irfon National Nature Reserve

Elenydd SSSI

Waypoints

A

Start point

Get Directions

1

3.64 km

Abergwesyn Valley

Highlight (Segment) • Gorge

One of the most beautiful stretches of road in Wales or maybe the world, this valley from Abergwesyn to the well-known and much feared Devil's Staircase is an incredible place …

Tip by

2

7.41 km

Devil's Staircase Climb (Abergwesyn)

Highlight (Segment) • Trail

Deep in the wilderness lies a hill that needs no introduction, the Devil’s Staircase, and it’s the opportunity to tackle this beast that will lure many to sign up for …

Tip by

3

9.24 km

Devil's Staircase Gravel Climb

Highlight (Segment) • Cycleway

An alternative climb up the infamous Devil's Staircase, but up the gravel fire road.

Gradients are more gentle than the road climb and the surface is good enough for slick tyres in good, dry conditions, so no gravel bike required!

Tip by

4

12.7 km

Abergwesyn Pass

Highlight • Viewpoint

Absolutely beautiful, even in the cold and wet!

Tip by

5

12.8 km

Wolf's Leap, River Irfon

Highlight • Gorge

Wolf's Leap is a deep pool along the River Irfon. It is accessed via a small path cut into the rock. At this point the river cuts through a narrow …

Tip by

6

16.0 km

Irfon Valley Road

Highlight (Segment) • Cycleway

A beautiful narrow road that winds up the Irfon valley from Llanwrtyd to Abergwesyn.

This is a quiet valley, often with its own microclimate.

On a good day in the …

Tip by

B

31.2 km

End point

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Way Types & Surfaces

Way Types

29.1 km

2.10 km

Surfaces

17.5 km

11.6 km

2.10 km

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Elevation

Elevation

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

Highest point (480 m)

Lowest point (230 m)

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Weather

Powered by Foreca

Friday 10 July

29°C

16°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

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

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