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Hirnant from Efyrnwy – Vyrnwy Dam Loop from Corwen East

Tom Herbert

Saved routes

Hirnant from Efyrnwy – Vyrnwy Dam Loop from Corwen East

Tom Herbert planned a road ride

November 8, 2021

Hirnant from Efyrnwy – Vyrnwy Dam Loop from Corwen East

Hard

04:49

96.2km

19.9km/h

1,270m

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Overview

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.

Waypoints

Start point

Train Station

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21.9 km

Statue of Thomas Ellis

Highlight • Historical Site

Great coffee, good selection of snacks and lunch meals

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31.7 km

Hirnant Pass Climb (Rhosygwaliau Side)

Highlight (Segment) • Viewpoint

Just under 2km in length, this climb averages 8% but towards the top ratchets up to well over 10% to maximise the suffering

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33.5 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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44.6 km

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 •

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46.3 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.

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53.5 km

Bwlch y Groes Climb from Lake Vyrnwy

Highlight (Segment) • Viewpoint

Climbed it 30 odd years ago........with young fit legs!! Recently descended it in heavy rain with bike packing gear - makes for a bottom clenching descent - exercise caution at the bottom, there's a tight left hand bend, beware!!

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59.8 km

Bwlch-y-Groes Climb from Llanuwchllyn

Highlight (Segment) • Viewpoint

8km at a 4% average gradient.... however, there are much steeper sections upwards of 13% through the trees and past the stone wall. Strava segment is called 'Llanwchllyn'.

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95.8 km

Public Toilets, Corwen

Highlight • Rest Area

…but you need coins to pay for them!

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96.2 km

End point

Train Station

Way Types & Surfaces

Way Types

92.0 km

2.66 km

1.61 km

< 100 m

Surfaces

88.0 km

7.49 km

776 m

Route Details

Elevation

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Hirnant from Efyrnwy – Vyrnwy Dam Loop from Corwen East

Statue of Thomas Ellis

Hirnant Pass Climb (Rhosygwaliau Side)

Hirnant Pass Climb from Rhiwargor

Lake Vyrnwy Straining Tower

Lake Vyrnwy Dam

Bwlch y Groes Climb from Lake Vyrnwy

Bwlch-y-Groes Climb from Llanuwchllyn

Public Toilets, Corwen

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