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Routes
Road cycling routes
United Kingdom
Wales
Powys
Llangynog

Bala Lake – Lake Vyrnwy Dam loop from Llangynog

Routes
Road cycling routes
United Kingdom
Wales
Powys
Llangynog

Bala Lake – Lake Vyrnwy Dam loop from Llangynog

Hard

8

riders

Bala Lake – Lake Vyrnwy Dam loop from Llangynog

05:13

99.6km

1,540m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: May 15, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

SoDdGA Migneint-Arenig-Dduallt

Waypoints

A

Start point

Bus stop

Get Directions

1

9.07 km

Bwlch y Safan Pass

Highlight (Segment) • Mountain Pass

This is the B4391 that travels over the Berwyns, from Bala in the north to Llangynog in the south. The northern half of the route is also the border of Snowdonia national Park.
High point of 486m so great views.

Tip by

2

19.4 km

Bala Lake

Highlight • Viewpoint

Bala Lake is a large freshwater glacial lake in Gwynedd, Wales. The River Dee, which has its source on the slopes of Dduallt in the mountains of Snowdonia, feeds the …

Tip by

3

40.5 km

B4391 Scenic Road, Parc Cenedlaethol Eryri

Highlight (Segment) • Trail

The B4391 between Llan Ffestiniog and the A4212 is a pretty road that rises and falls over moorland and through some woodland. It's a main road but narrow and fairly quiet with lots of impressive scenery to look at.

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4

63.8 km

Absolutely stunning valley to ride up.

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68.8 km

Coed y Glyn

Forest

6

70.3 km

Absolutely fantastic views road surface is great climbs take care over cattle grid.
A wonderful experience.

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7

72.3 km

Hirnant Pass Climb from Rhiwargor

Highlight (Segment) • Viewpoint

There is more climbing on this side of the Hirnant climb starting from Lake Vyrnwy. The 4km climb can be divided into four sections - the first 1km steeply beyond …

Translated by Google •

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8

83.2 km

Lake Vyrnwy Straining Tower

Highlight • Monument

Lake Vyrnwy (Welsh: Llyn Efyrnwy, pronounced [ɛˈvərnʊɨ] or Llyn Llanwddyn) is a reservoir in Powys, Wales, built in the 1880s for Liverpool Corporation Waterworks to supply Liverpool with fresh water. …

Translated by Google •

Tip by

9

85.0 km

Lake Vyrnwy Dam

Highlight • Monument

This is brilliant peice of architecture thats still in use today, you can feel the sheer power of the flow of water down the dam one side, and the peace and tranquility of the lake the other.

Tip by

B

99.6 km

End point

Bus stop

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Way Types & Surfaces

Way Types

97.2 km

2.12 km

413 m

Surfaces

74.4 km

25.3 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 (500 m)

Lowest point (160 m)

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Weather

Powered by Foreca

Thursday 28 May

18°C

9°C

0 %

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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