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View of Llyn Brianne Reservoir – Abergwesyn Valley loop from Garth

Routes

Bike touring routes & trails

View of Llyn Brianne Reservoir – Abergwesyn Valley loop from Garth

Hard

riders

View of Llyn Brianne Reservoir – Abergwesyn Valley loop from Garth

05:18

72.8km

1,210m

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: June 18, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Nant Irfon National Nature Reserve

Waypoints

Start point

Train Station

Get Directions

10.3 km

Caffi Sosban

Highlight • Cafe

Great friendly cafe with a lovely garden.

Tip by

12.4 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

34.1 km

View of Llyn Brianne Reservoir

Highlight (Segment) • Lake

Llyn Brianne is a beautiful place for a bike ride. You can stop here or carry around to the view point on the opposite side

Tip by

48.4 km

Cwm Du

Ruins

49.3 km

Dolgoch Hostel

Highlight • Mountain Hut

An Elenydd Wilderness Hostel. A simple and friendly hostel, hidden away in it's own secluded valley. Hot showers, loads of bunk beds and self catering kitchen. A really lovely place to stay.

Tip by

52.6 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

55.3 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

72.8 km

End point

Train Station

Way Types & Surfaces

Way Types

55.4 km

11.6 km

2.14 km

2.13 km

1.56 km

Surfaces

55.0 km

8.81 km

7.54 km

1.52 km

Elevation

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

Highest point (500 m)

Lowest point (160 m)

Weather

Friday 10 July

29°C

14°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Comments

Want to know more?

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

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View of Llyn Brianne Reservoir – Abergwesyn Valley loop from Garth

Caffi Sosban

Irfon Valley Road

View of Llyn Brianne Reservoir

Dolgoch Hostel

Devil's Staircase Gravel Climb

Abergwesyn Valley

Nearby routes

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