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Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Dolgarrog

Routes

Hiking trails & Routes

Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Dolgarrog

Moderate

4.5

(2)

hikers

Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Dolgarrog

02:53

10.6km

160m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: June 18, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Parking

Get Directions

25 m

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

1.65 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

5.80 km

Coedty Reservoir

Highlight • Historical Site

The reservoir was originally built in 1924 to supply water for the hydro-electric power station in Dolgarrog, which in turn powered an aluminium smelting works. This power station is still …

Tip by

7.30 km

Gravel Road to Llyn Eigiau

Highlight • Trail

10.6 km

End point

Parking

Way Types & Surfaces

Way Types

6.06 km

4.25 km

237 m

Surfaces

6.06 km

3.92 km

328 m

237 m

Elevation

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

Highest point (370 m)

Lowest point (250 m)

Weather

Monday 6 July

22°C

11°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Comments

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Eigiau Valley Gravel Road – Eigiau Dam Ruins loop from Dolgarrog

Eigiau Valley Gravel Road

Eigiau Dam Ruins

Coedty Reservoir

Gravel Road to Llyn Eigiau

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