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Bike touring routes & trails

River Usk – Crickhowell Castle ruins loop from Gilwern

Bike touring routes & trails

River Usk – Crickhowell Castle ruins loop from Gilwern

Moderate

3

riders

River Usk – Crickhowell Castle ruins loop from Gilwern

01:21

18.8km

340m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: September 10, 2026

Tips

Includes a segment in which cycling is not permitted

After 8.37 km for 198 m

Waypoints

A

Start point

Parking

1

633 m

Gilwern Viaduct Tunnel

Highlight • Bridge

2

7.97 km

River Usk

Highlight • River

The River Usk rises on the northern slopes of the Black Mountain (y Mynydd Du), Wales, in the westernmost part of the Brecon Beacons National Park. Initially forming the boundary …

Tip by

3

7.99 km

Crickhowell Bridge

Highlight • River

Crickhowell bridge is a pretty crossing point of the River Usk.

Crickhowell itself is a small market town with the remains of a motte and bailey castle built by the Normans.

Tip by

4

8.44 km

Crickhowell Castle ruins

Highlight • Historical Site

Crickhowell Castle, also known as Alisby's castle, dominates the views from the delightful market town. The now Grade I-listed ruin began life as a motte and bailey castle in the …

Tip by

B

18.8 km

End point

Parking

Way Types & Surfaces

Way Types

16.7 km

996 m

681 m

390 m

Surfaces

9.72 km

8.54 km

209 m

174 m

169 m

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Elevation

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

Highest point (220 m)

Lowest point (60 m)

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Weather

Powered by Foreca

Tuesday 13 October

17°C

7°C

17 %

Additional weather tips

Max wind speed: 24.0 km/h

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