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Running trails & routes

Waterfalls at Afon Ddu Gorge – Eigiau Dam Ruins loop from River Conwy

Running trails & routes

Waterfalls at Afon Ddu Gorge – Eigiau Dam Ruins loop from River Conwy

Hard

6

runners

Waterfalls at Afon Ddu Gorge – Eigiau Dam Ruins loop from River Conwy

01:42

13.7km

390m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: July 17, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

A

Start point

Parking

1

1.35 km

Waterfalls at Afon Ddu Gorge

Highlight • Natural

Just a little slice of paradise. Was the only person there, I hadn't actually seen a person all day. So..... a bit of free swimming was required

Tip by

2

2.60 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

3

6.75 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

4

6.78 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

5

11.6 km

Gravel Road to Llyn Eigiau

Highlight • Trail

6

13.5 km

Dolgarrog Dam Disaster Memorial

Highlight • Monument

Remains of the Dolgarrog Dam Disaster
Dolgarrog, Wales
The worst flood disaster in Welsh history might have been a lot worse if it had not happened on movie night.

Tip by

B

13.7 km

End point

Parking

Way Types & Surfaces

Way Types

7.97 km

5.04 km

724 m

Surfaces

7.04 km

3.84 km

1.52 km

1.19 km

137 m

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Elevation

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

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Weather

Powered by Foreca

Tuesday 6 October

12°C

8°C

42 %

Additional weather tips

Max wind speed: 21.0 km/h

to get more detailed weather forecasts along your route

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