Usk Bridge – Llyn Llandegfedd Lake loop from Llandogo

Usk Bridge – Llyn Llandegfedd Lake loop from Llandogo

Hard

riders

Usk Bridge – Llyn Llandegfedd Lake loop from Llandogo

03:50

68.7km

1,090m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.

Last updated: August 20, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Wye Valley National Landscape

Waypoints

Start point

Parking

Get Directions

1.84 km

The Lost City of Trellech Ruins

Highlight • Historical Site

An archeological site which is privately owned and has a fascinating history. You can book day experiences digging here.lostcityoftrellech.org

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4.74 km

Climb Towards Trellech

Highlight (Segment) • Climb

A narrow lane, a bit green in the centre. The steep 20% gradient is located just by the junction with the Cwmcarvan lane. Its about 250 meters of hard effort before it gradually eases off.

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20.4 km

Coed Canol

Forest

22.9 km

The old red sandstone bridge was built between 1746 and 1747. It has five arches and was widened in 1836-7, although it might not feel like it if traffic is busy! If you opt for the footpath, please dismount.

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24.4 km

Pant-y-cwcw Wood

Forest

28.3 km

Tree Tunnel Near Coed-y-Paen

Highlight • Natural

A cool little tree-tunnel along the lane from Coed-y-paen.

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29.9 km

Llyn Llandegfedd Lake

Highlight • Trail

A lovely place with great views, with a variety of walking trails on offer.

The visitors centre on the East shore near the dam wall has toilet and cafe facilities.

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52.3 km

Newchurch Farm Shop

Highlight • Structure

56.2 km

B4293 Climb from Chepstow to Devauden

Highlight • Viewpoint

Rode this in Aug 21 up to Devauden (not down to Chepstow), a steady climb with gorgeous views of nearby valleys and the distant Brecons. Nothing desperately steep and the tarmac is not too bad either!

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