Abergavenny to Pontypool loop via Y Tymbol (The Tumble)
Abergavenny to Pontypool loop via Y Tymbol (The Tumble)
4.8
(10)
118
riders
03:50
49.5km
660m
Cycling
This difficult 30.7-mile touring cycling loop from Abergavenny to Pontypool features the notorious Y Tymbol (The Tumble) climb and canal pat
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Train Station
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4.34 km
Highlight (Segment) • Cycleway
Tip by
24.0 km
Highlight • Rest Area
Tip by
40.4 km
Highlight • Lake
Tip by
41.1 km
Highlight (Segment) • Climb
Tip by
49.5 km
End point
Train Station
Way Types & Surfaces
Way Types
35.8 km
8.38 km
2.81 km
2.03 km
370 m
< 100 m
Surfaces
23.2 km
14.8 km
9.89 km
1.17 km
503 m
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Elevation
Highest point (480 m)
Lowest point (50 m)
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Weather
Powered by Foreca
Wednesday 6 May
13°C
6°C
44 %
Additional weather tips
Max wind speed: 16.0 km/h
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This route was planned by komoot.
This challenging touring bicycle route is estimated to take approximately 3 hours and 50 minutes to complete. However, actual times can vary depending on your fitness level, the number of stops you make, and how you tackle the demanding climb of The Tumble.
No, this route is considered a difficult bike ride, requiring very good fitness. While sections like the Monmouthshire and Brecon Canal path are relatively flat, the inclusion of The Tumble Climb significantly elevates the overall difficulty. It features sustained sections averaging 10% and some parts reaching 15%.
For parking in Abergavenny, you can look for public car parks within the town. If starting closer to Pontypool, there are parking options available, particularly near the canal path or town center. Always check local signage for parking restrictions and fees.
The terrain is highly varied. You'll encounter the notorious The Tumble Climb, which is a steep, paved ascent through woodland and then open moorland. Other sections, particularly along the Abergavenny to Pontypool Canal (Cycle Route 49), are mostly flat, traffic-free, and often consist of unpaved or compacted gravel surfaces. Some parts near Pontypool may involve navigating town streets.
Key highlights include the tranquil Abergavenny to Pontypool Canal (Cycle Route 49), the historic Pontymoile Basin, the scenic Keeper's Pond (Pen-ffordd-goch Pond), and of course, the challenging The Tumble Climb itself. The route also passes near Blaenavon, a UNESCO World Heritage site with its industrial heritage.
The best time to cycle this route is generally during the spring, summer, and early autumn months (April to October) when the weather is milder and daylight hours are longer. Be aware that the exposed sections on The Tumble can be windy, especially in cooler months. Always check the local weather forecast before you go.
No, there are no specific permits or entrance fees required to cycle this route or to access the general areas of Bannau Brycheiniog National Park that it traverses. However, standard national park regulations and local bylaws apply, particularly regarding responsible cycling and respecting the natural environment.
Yes, significant portions of this loop utilize the Sustrans National Cycle Network, including sections of National Cycle Route 49 along the Monmouthshire and Brecon Canal. The route also briefly intersects with other official trails such as Cycle across the Beacons and the Cambrian Way.
While dogs are generally welcome on many public paths in the area, including canal towpaths, it's important to keep them under close control, preferably on a lead, especially around livestock, other cyclists, and pedestrians. Be mindful that some sections of the route may be less suitable for dogs due to traffic or challenging terrain.
Given the route's difficulty and varied terrain, it's advisable to pack essentials such as a well-maintained touring bicycle, appropriate cycling gear, plenty of water and snacks, a repair kit, a first-aid kit, and layers of clothing suitable for changing weather conditions. A GPS device or map is also recommended for navigation.
Yes, you'll find opportunities for refreshments in Abergavenny and Pontypool at the start and end of the loop. Along the route, particularly near Pontymoile Basin or in towns like Blaenavon, there may be cafes or pubs available. It's always a good idea to carry some snacks and water, especially for the more remote sections.