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Running trails & routes

Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Cwm Eigiau Cottage

Running trails & routes

Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Cwm Eigiau Cottage

Hard

3

runners

Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Cwm Eigiau Cottage

01:36

11.4km

450m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Last updated: July 18, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

A

Start point

1

1.15 km

Quarry Ruins in Eryri National Park

Highlight • Historical Site

Beautiful place with lots of sheeps and a spectacular view on the whole valley.

Beautiful place with lots of sheep and a spectacular view of the valley.

Translated by Google •

Tip by

2

7.90 km

Eigiau Valley Gravel Road

Highlight (Segment) • Trail

Flat gravel road from the car park to the track junction. Nice to bike in from pen y gaer hill fort to the NE.

Tip by

3

9.53 km

Eigiau Dam Ruins

Highlight • Structure

Eigiau Dam Disaster.
On 2 November 1925 the failure of two dams caused a flood that swamped the village of Dolgarrog, killing 16 people. The disaster was started by the …

Tip by

B

11.4 km

End point

Way Types & Surfaces

Way Types

7.61 km

3.73 km

< 100 m

Surfaces

9.37 km

2.02 km

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Elevation

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

Highest point (820 m)

Lowest point (370 m)

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Weather

Powered by Foreca

Friday 9 October

9°C

6°C

54 %

Additional weather tips

Max wind speed: 18.0 km/h

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