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Llyn Brenig Dam – Cairn Ben Lloyd Singletrack loop from Ruthin

Routes

Bike touring routes & trails

Llyn Brenig Dam – Cairn Ben Lloyd Singletrack loop from Ruthin

Hard

107

riders

Llyn Brenig Dam – Cairn Ben Lloyd Singletrack loop from Ruthin

09:31

110km

2,060m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 30, 2026

Tips

Includes a segment in which cycling is not permitted

After 68.7 km for 170 m

Waypoints

Start point

Bus stop

Get Directions

939 m

Ruthin Town Centre

Highlight • Settlement

Set in the North Wales county of Denbighshire, Ruthin is a gorgeous town with a rich cultural history. The centre of the old town, including St Peter's Square, is set on a hill, whereas some newer parts are built on the flood plain of the River Clwyd.

Ruthin's peak was in the 1700s as an important stopover town on the drovers' roads between Wales and England. It's said that there used to be a pub for every week in the year in the town, although unfortunately there are many less now!

Check out more about the many listed buildings and more to do on your trip to Ruthin here: visitruthin.wales

Tip by

19.9 km

Isgaer-wen Plantation

Forest

24.0 km

View of Llyn Brenig

Highlight • Forest

Explore over 2500 acres of forest, moorland and lakes amid stunning upland scenery. With visitor centre, café, gift shop, osprey exhibition, adventure playground, cycle hire, mountain biking, walking trails, sailing and world class fishing to discover.
Perfect cycling conditions for all ages and abilities. Hire from a wide range of bikes or bring your own ride. Enjoy a gentle family ride on an e-bike or an exhilarating mountain bike adventure.

Tip by

24.0 km

Llyn Brenig Dam

Highlight (Segment) • Structure

Crossing over the top of the Llyn Brenig dam you'll follow a wide and flat gravel track that makes for an easy ride while you soak in those marvellous views over the water and down the bank on the other side into the lush green valley.

Look out for the fingerposts with trail markings to help you navigate onto your preferred route. You may be surprised just how long it takes to cross here, I thought it was further than it looked!

Tip by

25.6 km

Llyn Brenig Café & Visitor Centre

Highlight • Cafe

Llyn Brenig is located at the heart of the Mynydd Hiraethog and is a good base for outdoor activities, including walking, cycling, fishing and sailing. It is a great spot for a break off the bike and the area is surrounded by a network of footpaths and a number of way marked trails suitable for biking and walking, including the Brenig Trail. The Visitor Centre provides toilet facilities and a cafe.

Tip by

29.4 km

Alwen Reservoir

Lake

36.0 km

View of Denbigh Moors (Mynydd Hiraethog)

Highlight • Lake

Great views, not too bad a climb to get there.

Tip by

36.7 km

Alwen Reservoir Wooden Bridge

Highlight • Cycleway

A long wooden bridge spans the upper reaches of the Alwen Reservoir, which features on the Two Lakes and Alwen circular cycle routes. It's absolutely covered in lichen and feels a little rickety as you ride along. Enjoy the remote lake views as you ride over this long, narrow bridge.

Tip by

41.7 km

Alwen Plantation

Forest

44.4 km

Cairn Ben Lloyd Singletrack

Highlight (Segment) • Cycleway

A fantastic section of singletrack as you wind your way through Gors Maen Llwyd nature reserve to the north of Llyn Brenig. The undulating trail features on the Two Lakes and Brenig marked cycle routes.

Look into the distance when you rejoin the road heading west to east and you may be able to see the ridge of the Clwydian Range and the sea beyond.

Tip by

47.3 km

Llyn Brenig — East Shore Gravel Track

Highlight (Segment) • Trail

A long and winding doubletrack gravel road that flanks the eastern shore of Llyn Brenig.

It's a little rough in places so best on a gravel bike, sturdy hybrid or mountain bike rather than a pure road bike.

Enjoy the views as you meander around the little inlets and see what wildlife you can see across the water.

Tip by

110 km

End point

Bus stop

Way Types & Surfaces

Way Types

40.0 km

34.3 km

13.5 km

12.1 km

7.40 km

2.94 km

Surfaces

48.9 km

27.3 km

22.8 km

6.35 km

4.85 km

Elevation

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

Highest point (460 m)

Lowest point (60 m)

Weather

Sunday 5 July

23°C

15°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Llyn Brenig Dam – Cairn Ben Lloyd Singletrack loop from Ruthin

Ruthin Town Centre

View of Llyn Brenig

Llyn Brenig Dam

Llyn Brenig Café & Visitor Centre

View of Denbigh Moors (Mynydd Hiraethog)

Alwen Reservoir Wooden Bridge

Cairn Ben Lloyd Singletrack

Llyn Brenig — East Shore Gravel Track

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