Routes

Planner

Features

Updates

App

Get the App

Llanrhaeadr-Ym-Mochnant

Lake Vyrnwy Straining Tower – Lake Vyrnwy Dam loop from Llanrhaeadr-ym-Mochnant

Llanrhaeadr-Ym-Mochnant

Lake Vyrnwy Straining Tower – Lake Vyrnwy Dam loop from Llanrhaeadr-ym-Mochnant

Hard

5.0

(1)

riders

Lake Vyrnwy Straining Tower – Lake Vyrnwy Dam loop from Llanrhaeadr-ym-Mochnant

03:47

73.3km

1,260m

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: February 27, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Bus stop

Get Directions

10.3 km

Llangynog Climb

Highlight • Viewpoint

long climb, no stupid gradients, stunning view!

Tip by

19.2 km

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

30.0 km

Hirnant Riverside at Parc Cenedlaethol Eryri

Highlight • Forest

Absolutely stunning valley to ride up.

Tip by

35.1 km

Coed y Glyn

Forest

36.5 km

View of the Rolling Hills in Parc Cenedlaethol Eryri

Highlight • Climb

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

Tip by

36.8 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

Tip by

38.5 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 •

Tip by

49.4 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

51.3 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.

Tip by

73.3 km

End point

Bus stop

Way Types & Surfaces

Way Types

73.0 km

413 m

Surfaces

69.6 km

3.73 km

Elevation

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

Highest point (500 m)

Lowest point (120 m)

Weather

Today

Thursday 21 May

21°C

11°C

0 %

Additional weather tips

Max wind speed: 19.0 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.

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Embed on a website

Report an Issue

Nearby routes

Moderate

5.0

252

A loop of Llyn Tegid & Llyn Efyrnwy from Bala — Snowdonia National Park

02:49h

54.1km

890m

Hard

Stwlan Dam climb from Bala loop

04:47h

87.7km

1,610m

Hard

Llangollen canal, Chirk castle and the Worlds End loop

02:59h

46.2km

970m

Moderate

Llyn Tegid loop from Corwen — Parc Cenedlaethol Eryri / Snowdonia National Park

02:29h

56.1km

510m

Moderate

A loop of the Llantysilio Mountains and the southern Clwydian Range

03:26h

59.8km

850m

Hard

A loop of the Berwyn Hills from Llangollen

05:01h

88.8km

1,610m

Moderate

5.0

Ostwestry to Ellesmere Lake loop via Whittington Castle

02:44h

63.6km

360m

Hard

Llyn Tegid, Llyn Celyn & Carnedd y Filiast loop from Bala

04:23h

83.1km

1,080m

Hard

Lake Vyrnwy & Cwm Hirnant loop from Welshpool

05:26h

107km

1,580m

Hard

River Severn & Powis Castle loop from Welshpool

04:10h

77.5km

1,240m

Easy

234

Bala Town Centre – Lakeside View at Llyn Tegid loop from Bala

01:39h

38.7km

280m

Easy

4.8

153

Llyn Tegid (Bala Lake) – Llyn Tegid (Lake Bala) loop from Llangywer

01:12h

27.7km

180m

Lake Vyrnwy Straining Tower – Lake Vyrnwy Dam loop from Llanrhaeadr-ym-Mochnant

Llangynog Climb

Bwlch y Safan Pass

Hirnant Riverside at Parc Cenedlaethol Eryri

View of the Rolling Hills in Parc Cenedlaethol Eryri

Hirnant Pass Climb (Rhosygwaliau Side)

Hirnant Pass Climb from Rhiwargor

Lake Vyrnwy Straining Tower

Lake Vyrnwy Dam

Nearby routes

Sign up or log in to keep exploring this route

We value your privacy ⛰️

We value your privacy ⛰️