Afon Cefni River – Llyn Cefni Reservoir and Dam loop from Tynygongl
Afon Cefni River – Llyn Cefni Reservoir and Dam loop from Tynygongl
3
riders
Afon Cefni River – Llyn Cefni Reservoir and Dam loop from Tynygongl
02:47
43.4km
440m
Cycling
Moderate bike ride. 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 6, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Tirwedd Cenedlaethol Ynys Môn
Waypoints
Start point
Bus stop
Get Directions
6.51 km
Mynydd Bodafon Summit
Highlight • Summit
Tip by
28.5 km
River Entering Llyn Llangefni
Highlight • Lake
28.5 km
Afon Cefni River
Highlight • Other
28.9 km
Llyn Cefni
Highlight • Lake
30.0 km
Cefni Reservoir Dam
Highlight • Structure
Tip by
30.1 km
Llyn Cefni Reservoir and Dam
Highlight • Structure
Tip by
30.2 km
Llyn Cefni Dam
Highlight • Monument
During World War II, a water scheme was devised for the town of Llangefni in central Anglesey. It involved water from a local source being pumped to …
Tip by
43.4 km
End point
Bus stop
Way Types & Surfaces
Way Types
39.0 km
1.70 km
1.25 km
1.24 km
157 m
< 100 m
Surfaces
21.8 km
18.3 km
1.70 km
1.60 km
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Elevation
Highest point (140 m)
Lowest point (10 m)
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Weather
Powered by Foreca
Saturday 8 August
22°C
14°C
15 %
Additional weather tips
Max wind speed: 23.0 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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