View of Llyn Brianne Reservoir – Abergwesyn Valley loop from Garth
View of Llyn Brianne Reservoir – Abergwesyn Valley loop from Garth
1
riders
View of Llyn Brianne Reservoir – Abergwesyn Valley loop from Garth
05:17
72.6km
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: August 18, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Nant Irfon National Nature Reserve
Waypoints
Start point
Train Station
10.3 km
Caffi Sosban
Highlight • Cafe
Tip by
12.4 km
Irfon Valley Road
Highlight (Segment) • Cycleway
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
Tip by
48.4 km
Cwm Du
Ruins
49.3 km
Dolgoch Hostel
Highlight • Mountain Hut
Tip by
52.6 km
Devil's Staircase Gravel Climb
Highlight (Segment) • Cycleway
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
Tip by
72.6 km
End point
Train Station
Way Types & Surfaces
Way Types
54.8 km
11.6 km
2.55 km
1.87 km
1.82 km
Surfaces
54.4 km
9.09 km
7.97 km
1.14 km
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Sign up for freeElevation
Highest point (500 m)
Lowest point (160 m)
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Sign up for freeWeather
Powered by Foreca
Wednesday 14 October
16°C
11°C
82 %
Additional weather tips
Max wind speed: 17.0 km/h
to get more detailed weather forecasts along your route
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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