Marchlyn Mawr Reservoir Climb – Marchlyn Bach Reservoir loop from Cwm-y-glo
Marchlyn Mawr Reservoir Climb – Marchlyn Bach Reservoir loop from Cwm-y-glo
23
riders
Marchlyn Mawr Reservoir Climb – Marchlyn Bach Reservoir loop from Cwm-y-glo
02:04
23.3km
640m
Road cycling
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.
Last updated: August 13, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
SoDdGA Eryri
Waypoints
Start point
Bus stop
1.03 km
View of Llyn Padarn from Pont Pen-y-Llyn
Highlight • Viewpoint
Its absolutely stunning and well worth the ride.
Tip by
1.45 km
Marchlyn Mawr Reservoir Climb
Highlight (Segment) • Lake
Translated by Google •
Tip by
11.1 km
Marchlyn Bach Reservoir
Highlight • Lake
The Marchlyn Bach dam and reservoir is not part of the Dinorwig HEP scheme. It is a reservoir owned by Dwr Cymru (Welsh Water).
The road in …
Tip by
13.0 km
View of Snowdon
Highlight • Summit
Tip by
21.8 km
Caban Café
Highlight • Other
23.3 km
End point
Bus stop
Way Types & Surfaces
Way Types
18.3 km
2.79 km
1.19 km
761 m
298 m
Surfaces
11.0 km
9.96 km
2.34 km
< 100 m
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Sign up for freeElevation
Highest point (630 m)
Lowest point (100 m)
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Sign up for freeWeather
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Monday 12 October
17°C
9°C
97 %
Additional weather tips
Max wind speed: 31.0 km/h
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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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