Caerphilly Castle – Radyr Weir loop from Heath Low Level

Bike touring routes & trails

Caerphilly Castle – Radyr Weir loop from Heath Low Level

Hard

riders

Caerphilly Castle – Radyr Weir loop from Heath Low Level

04:12

67.3km

630m

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: August 22, 2026

Tips

Cycling is not permitted along parts of this route

After 16.0 km for 75 m

After 48.9 km for 186 m

Waypoints

Start point

Train Station

Get Directions

18.3 km

Monmouthshire and Brecon Canal Lock

Highlight • Structure

33.8 km

Great Western Colliery Wheel Sculpture and Forest Path

Highlight • Forest

Take it easy, take in the countryside!

Tip by

35.1 km

the banking

Forest

49.1 km

Caerphilly Castle

Highlight • Historical Site

Caerphilly Castle is one of the most complete, still standing castles in South Wales. You can park for free at Morrisons just up the road, and entry is free on certain days. It's worth checking ahead!

Tip by

51.9 km

Forest Cycle Path

Highlight • Cycleway

Great steady cycle way, good for getting the kids out

Tip by

52.9 km

Wooded section of the Taff Trail

Highlight (Segment) • Trail

taff trail is lovely . small sections can be industrial, however I found this section through the trees particularly beautiful 🌳

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58.2 km

River Taff

Lake

58.7 km

Radyr Weir

Highlight • Structure

A pretty weir of the River Taff, the Radyr Weir runs today as a hydro power scheme and a focal point of Radyr town. Many wild salmon and sea trout …

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60.4 km

Melingriffith Water Wheel

Highlight • Historical Site

62.4 km

Llandaff Weir

Highlight • Natural

Llandaff Weir on the River Taff was built in the mid 1800s to help control the flow and water levels upstream. It was built in a dangerous rapid part of the river which had previously claimed several lives.

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